Home / 23,100.12-31,892.40-17,784.72

Finding the Fourth Proportional to 23,100.12, 31,892.40 and 17,784.72

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Solution

The fourth proportional to 23,100.12, 31,892.40 and 17,784.72 is: 24,553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,100.12 : 31,892.40 = 17,784.72 : x
  2. Step 2: Convert to fraction form
    23,100.12/31,892.40 = 17,784.72/x
  3. Step 3: Cross multiply
    23,100.12x = 31,892.40 × 17,784.72
  4. Step 4: Simplify right side
    23,100.12x = 567,197,404.13
  5. Step 5: Solve for x
    x = 567,197,404.13/23,100.12
  6. Step 6: Final answer
    x = 24,553.87

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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.