Home / 22,884.13-31,580.57-12,948.13

Finding the Fourth Proportional to 22,884.13, 31,580.57 and 12,948.13

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Solution

The fourth proportional to 22,884.13, 31,580.57 and 12,948.13 is: 17,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,884.13 : 31,580.57 = 12,948.13 : x
  2. Step 2: Convert to fraction form
    22,884.13/31,580.57 = 12,948.13/x
  3. Step 3: Cross multiply
    22,884.13x = 31,580.57 × 12,948.13
  4. Step 4: Simplify right side
    22,884.13x = 408,909,200.30
  5. Step 5: Solve for x
    x = 408,909,200.30/22,884.13
  6. Step 6: Final answer
    x = 17,868.68

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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.