Home / 22,861.14-31,551.28-12,790.14

Finding the Fourth Proportional to 22,861.14, 31,551.28 and 12,790.14

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Solution

The fourth proportional to 22,861.14, 31,551.28 and 12,790.14 is: 17,652.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,861.14 : 31,551.28 = 12,790.14 : x
  2. Step 2: Convert to fraction form
    22,861.14/31,551.28 = 12,790.14/x
  3. Step 3: Cross multiply
    22,861.14x = 31,551.28 × 12,790.14
  4. Step 4: Simplify right side
    22,861.14x = 403,545,288.38
  5. Step 5: Solve for x
    x = 403,545,288.38/22,861.14
  6. Step 6: Final answer
    x = 17,652.02

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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.