Home / 25,358.12-34,996.38-14,747

Finding the Fourth Proportional to 25,358.12, 34,996.38 and 14,747

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Solution

The fourth proportional to 25,358.12, 34,996.38 and 14,747 is: 20,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,358.12 : 34,996.38 = 14,747 : x
  2. Step 2: Convert to fraction form
    25,358.12/34,996.38 = 14,747/x
  3. Step 3: Cross multiply
    25,358.12x = 34,996.38 × 14,747
  4. Step 4: Simplify right side
    25,358.12x = 516,091,615.86
  5. Step 5: Solve for x
    x = 516,091,615.86/25,358.12
  6. Step 6: Final answer
    x = 20,352.13

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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.