Home / 17,543.70-24,211.17-9,990.18

Finding the Fourth Proportional to 17,543.70, 24,211.17 and 9,990.18

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Solution

The fourth proportional to 17,543.70, 24,211.17 and 9,990.18 is: 13,786.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,543.70 : 24,211.17 = 9,990.18 : x
  2. Step 2: Convert to fraction form
    17,543.70/24,211.17 = 9,990.18/x
  3. Step 3: Cross multiply
    17,543.70x = 24,211.17 × 9,990.18
  4. Step 4: Simplify right side
    17,543.70x = 241,873,946.31
  5. Step 5: Solve for x
    x = 241,873,946.31/17,543.70
  6. Step 6: Final answer
    x = 13,786.94

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Half scale
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Double scale
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Similar ratio
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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.