Home / 25,169.06-37,720.09-13,320.29

Finding the Fourth Proportional to 25,169.06, 37,720.09 and 13,320.29

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Solution

The fourth proportional to 25,169.06, 37,720.09 and 13,320.29 is: 19,962.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,169.06 : 37,720.09 = 13,320.29 : x
  2. Step 2: Convert to fraction form
    25,169.06/37,720.09 = 13,320.29/x
  3. Step 3: Cross multiply
    25,169.06x = 37,720.09 × 13,320.29
  4. Step 4: Simplify right side
    25,169.06x = 502,442,471.02
  5. Step 5: Solve for x
    x = 502,442,471.02/25,169.06
  6. Step 6: Final answer
    x = 19,962.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.