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Finding the Fourth Proportional to 18,092.76, 24,969.23 and 10,135.72

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Solution

The fourth proportional to 18,092.76, 24,969.23 and 10,135.72 is: 13,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.76 : 24,969.23 = 10,135.72 : x
  2. Step 2: Convert to fraction form
    18,092.76/24,969.23 = 10,135.72/x
  3. Step 3: Cross multiply
    18,092.76x = 24,969.23 × 10,135.72
  4. Step 4: Simplify right side
    18,092.76x = 253,081,123.90
  5. Step 5: Solve for x
    x = 253,081,123.90/18,092.76
  6. Step 6: Final answer
    x = 13,987.98

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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.