Home / 18,089.28-24,963.12-10,131.48

Finding the Fourth Proportional to 18,089.28, 24,963.12 and 10,131.48

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Solution

The fourth proportional to 18,089.28, 24,963.12 and 10,131.48 is: 13,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.28 : 24,963.12 = 10,131.48 : x
  2. Step 2: Convert to fraction form
    18,089.28/24,963.12 = 10,131.48/x
  3. Step 3: Cross multiply
    18,089.28x = 24,963.12 × 10,131.48
  4. Step 4: Simplify right side
    18,089.28x = 252,913,351.02
  5. Step 5: Solve for x
    x = 252,913,351.02/18,089.28
  6. Step 6: Final answer
    x = 13,981.39

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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.