Home / 25,567.80-38,344.14-11,519.70

Finding the Fourth Proportional to 25,567.80, 38,344.14 and 11,519.70

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Solution

The fourth proportional to 25,567.80, 38,344.14 and 11,519.70 is: 17,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,567.80 : 38,344.14 = 11,519.70 : x
  2. Step 2: Convert to fraction form
    25,567.80/38,344.14 = 11,519.70/x
  3. Step 3: Cross multiply
    25,567.80x = 38,344.14 × 11,519.70
  4. Step 4: Simplify right side
    25,567.80x = 441,712,989.56
  5. Step 5: Solve for x
    x = 441,712,989.56/25,567.80
  6. Step 6: Final answer
    x = 17,276.14

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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.