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Finding the Fourth Proportional to 25,383.69, 35,029.49 and 14,205.69

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Solution

The fourth proportional to 25,383.69, 35,029.49 and 14,205.69 is: 19,603.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.69 : 35,029.49 = 14,205.69 : x
  2. Step 2: Convert to fraction form
    25,383.69/35,029.49 = 14,205.69/x
  3. Step 3: Cross multiply
    25,383.69x = 35,029.49 × 14,205.69
  4. Step 4: Simplify right side
    25,383.69x = 497,618,075.80
  5. Step 5: Solve for x
    x = 497,618,075.80/25,383.69
  6. Step 6: Final answer
    x = 19,603.85

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Half scale
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Double scale
Find fourth proportional to 25,384.69, 35,030.87 and 14,206.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.