Home / 17,421.48-24,042.18-9,971.88

Finding the Fourth Proportional to 17,421.48, 24,042.18 and 9,971.88

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Solution

The fourth proportional to 17,421.48, 24,042.18 and 9,971.88 is: 13,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,421.48 : 24,042.18 = 9,971.88 : x
  2. Step 2: Convert to fraction form
    17,421.48/24,042.18 = 9,971.88/x
  3. Step 3: Cross multiply
    17,421.48x = 24,042.18 × 9,971.88
  4. Step 4: Simplify right side
    17,421.48x = 239,745,733.90
  5. Step 5: Solve for x
    x = 239,745,733.90/17,421.48
  6. Step 6: Final answer
    x = 13,761.50

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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.