Home / 17,543.30-24,212.70-9,988.58

Finding the Fourth Proportional to 17,543.30, 24,212.70 and 9,988.58

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Solution

The fourth proportional to 17,543.30, 24,212.70 and 9,988.58 is: 13,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,543.30 : 24,212.70 = 9,988.58 : x
  2. Step 2: Convert to fraction form
    17,543.30/24,212.70 = 9,988.58/x
  3. Step 3: Cross multiply
    17,543.30x = 24,212.70 × 9,988.58
  4. Step 4: Simplify right side
    17,543.30x = 241,850,551.50
  5. Step 5: Solve for x
    x = 241,850,551.50/17,543.30
  6. Step 6: Final answer
    x = 13,785.93

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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.