Home / 18,292.97-25,244.14-9,909.47

Finding the Fourth Proportional to 18,292.97, 25,244.14 and 9,909.47

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Solution

The fourth proportional to 18,292.97, 25,244.14 and 9,909.47 is: 13,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.97 : 25,244.14 = 9,909.47 : x
  2. Step 2: Convert to fraction form
    18,292.97/25,244.14 = 9,909.47/x
  3. Step 3: Cross multiply
    18,292.97x = 25,244.14 × 9,909.47
  4. Step 4: Simplify right side
    18,292.97x = 250,156,048.01
  5. Step 5: Solve for x
    x = 250,156,048.01/18,292.97
  6. Step 6: Final answer
    x = 13,674.98

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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.