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Finding the Fourth Proportional to 18,009.66, 24,853.10 and 9,943.34

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Solution

The fourth proportional to 18,009.66, 24,853.10 and 9,943.34 is: 13,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.66 : 24,853.10 = 9,943.34 : x
  2. Step 2: Convert to fraction form
    18,009.66/24,853.10 = 9,943.34/x
  3. Step 3: Cross multiply
    18,009.66x = 24,853.10 × 9,943.34
  4. Step 4: Simplify right side
    18,009.66x = 247,122,823.35
  5. Step 5: Solve for x
    x = 247,122,823.35/18,009.66
  6. Step 6: Final answer
    x = 13,721.68

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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.