Home / 25,239.13-37,869.62-13,538.68

Finding the Fourth Proportional to 25,239.13, 37,869.62 and 13,538.68

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Solution

The fourth proportional to 25,239.13, 37,869.62 and 13,538.68 is: 20,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,239.13 : 37,869.62 = 13,538.68 : x
  2. Step 2: Convert to fraction form
    25,239.13/37,869.62 = 13,538.68/x
  3. Step 3: Cross multiply
    25,239.13x = 37,869.62 × 13,538.68
  4. Step 4: Simplify right side
    25,239.13x = 512,704,477.55
  5. Step 5: Solve for x
    x = 512,704,477.55/25,239.13
  6. Step 6: Final answer
    x = 20,313.88

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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.