Home / 23,815.17-32,862.78-13,204.78

Finding the Fourth Proportional to 23,815.17, 32,862.78 and 13,204.78

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Solution

The fourth proportional to 23,815.17, 32,862.78 and 13,204.78 is: 18,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,815.17 : 32,862.78 = 13,204.78 : x
  2. Step 2: Convert to fraction form
    23,815.17/32,862.78 = 13,204.78/x
  3. Step 3: Cross multiply
    23,815.17x = 32,862.78 × 13,204.78
  4. Step 4: Simplify right side
    23,815.17x = 433,945,697.93
  5. Step 5: Solve for x
    x = 433,945,697.93/23,815.17
  6. Step 6: Final answer
    x = 18,221.40

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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.