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Finding the Fourth Proportional to 15,301.30, 22,951.95 and 13,114.30

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Solution

The fourth proportional to 15,301.30, 22,951.95 and 13,114.30 is: 19,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301.30 : 22,951.95 = 13,114.30 : x
  2. Step 2: Convert to fraction form
    15,301.30/22,951.95 = 13,114.30/x
  3. Step 3: Cross multiply
    15,301.30x = 22,951.95 × 13,114.30
  4. Step 4: Simplify right side
    15,301.30x = 300,998,757.89
  5. Step 5: Solve for x
    x = 300,998,757.89/15,301.30
  6. Step 6: Final answer
    x = 19,671.45

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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.