Home / 14,687.25-22,017.81-9,423.78

Finding the Fourth Proportional to 14,687.25, 22,017.81 and 9,423.78

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Solution

The fourth proportional to 14,687.25, 22,017.81 and 9,423.78 is: 14,127.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687.25 : 22,017.81 = 9,423.78 : x
  2. Step 2: Convert to fraction form
    14,687.25/22,017.81 = 9,423.78/x
  3. Step 3: Cross multiply
    14,687.25x = 22,017.81 × 9,423.78
  4. Step 4: Simplify right side
    14,687.25x = 207,490,997.52
  5. Step 5: Solve for x
    x = 207,490,997.52/14,687.25
  6. Step 6: Final answer
    x = 14,127.29

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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.