Home / 25,412.91-35,073.09-15,347.04

Finding the Fourth Proportional to 25,412.91, 35,073.09 and 15,347.04

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Solution

The fourth proportional to 25,412.91, 35,073.09 and 15,347.04 is: 21,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,412.91 : 35,073.09 = 15,347.04 : x
  2. Step 2: Convert to fraction form
    25,412.91/35,073.09 = 15,347.04/x
  3. Step 3: Cross multiply
    25,412.91x = 35,073.09 × 15,347.04
  4. Step 4: Simplify right side
    25,412.91x = 538,268,115.15
  5. Step 5: Solve for x
    x = 538,268,115.15/25,412.91
  6. Step 6: Final answer
    x = 21,180.89

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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.