Home / 25,511.28-35,205.06-14,180.76

Finding the Fourth Proportional to 25,511.28, 35,205.06 and 14,180.76

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Solution

The fourth proportional to 25,511.28, 35,205.06 and 14,180.76 is: 19,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,511.28 : 35,205.06 = 14,180.76 : x
  2. Step 2: Convert to fraction form
    25,511.28/35,205.06 = 14,180.76/x
  3. Step 3: Cross multiply
    25,511.28x = 35,205.06 × 14,180.76
  4. Step 4: Simplify right side
    25,511.28x = 499,234,506.65
  5. Step 5: Solve for x
    x = 499,234,506.65/25,511.28
  6. Step 6: Final answer
    x = 19,569.17

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Half scale
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Double scale
Find fourth proportional to 25,512.28, 35,206.44 and 14,181.76
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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.