Home / 25,027.68-34,538.20-13,697.20

Finding the Fourth Proportional to 25,027.68, 34,538.20 and 13,697.20

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Solution

The fourth proportional to 25,027.68, 34,538.20 and 13,697.20 is: 18,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,027.68 : 34,538.20 = 13,697.20 : x
  2. Step 2: Convert to fraction form
    25,027.68/34,538.20 = 13,697.20/x
  3. Step 3: Cross multiply
    25,027.68x = 34,538.20 × 13,697.20
  4. Step 4: Simplify right side
    25,027.68x = 473,076,641.97
  5. Step 5: Solve for x
    x = 473,076,641.97/25,027.68
  6. Step 6: Final answer
    x = 18,902.13

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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.