Home / 25,359.74-38,055.92-13,681.02

Finding the Fourth Proportional to 25,359.74, 38,055.92 and 13,681.02

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Solution

The fourth proportional to 25,359.74, 38,055.92 and 13,681.02 is: 20,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,359.74 : 38,055.92 = 13,681.02 : x
  2. Step 2: Convert to fraction form
    25,359.74/38,055.92 = 13,681.02/x
  3. Step 3: Cross multiply
    25,359.74x = 38,055.92 × 13,681.02
  4. Step 4: Simplify right side
    25,359.74x = 520,643,646.56
  5. Step 5: Solve for x
    x = 520,643,646.56/25,359.74
  6. Step 6: Final answer
    x = 20,530.33

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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.