Home / 18,042.75-24,890.31-11,325.06

Finding the Fourth Proportional to 18,042.75, 24,890.31 and 11,325.06

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Solution

The fourth proportional to 18,042.75, 24,890.31 and 11,325.06 is: 15,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.75 : 24,890.31 = 11,325.06 : x
  2. Step 2: Convert to fraction form
    18,042.75/24,890.31 = 11,325.06/x
  3. Step 3: Cross multiply
    18,042.75x = 24,890.31 × 11,325.06
  4. Step 4: Simplify right side
    18,042.75x = 281,884,254.17
  5. Step 5: Solve for x
    x = 281,884,254.17/18,042.75
  6. Step 6: Final answer
    x = 15,623.13

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Double scale
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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.