Home / 25,113.38-34,658.07-18,309.07

Finding the Fourth Proportional to 25,113.38, 34,658.07 and 18,309.07

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Solution

The fourth proportional to 25,113.38, 34,658.07 and 18,309.07 is: 25,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,113.38 : 34,658.07 = 18,309.07 : x
  2. Step 2: Convert to fraction form
    25,113.38/34,658.07 = 18,309.07/x
  3. Step 3: Cross multiply
    25,113.38x = 34,658.07 × 18,309.07
  4. Step 4: Simplify right side
    25,113.38x = 634,557,004.36
  5. Step 5: Solve for x
    x = 634,557,004.36/25,113.38
  6. Step 6: Final answer
    x = 25,267.69

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Half scale
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Double scale
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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.