Home / 17,543.89-24,207.76-9,990.37

Finding the Fourth Proportional to 17,543.89, 24,207.76 and 9,990.37

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Solution

The fourth proportional to 17,543.89, 24,207.76 and 9,990.37 is: 13,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,543.89 : 24,207.76 = 9,990.37 : x
  2. Step 2: Convert to fraction form
    17,543.89/24,207.76 = 9,990.37/x
  3. Step 3: Cross multiply
    17,543.89x = 24,207.76 × 9,990.37
  4. Step 4: Simplify right side
    17,543.89x = 241,844,358.23
  5. Step 5: Solve for x
    x = 241,844,358.23/17,543.89
  6. Step 6: Final answer
    x = 13,785.11

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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.