Home / 17,686.04-24,401.76-11,402.08

Finding the Fourth Proportional to 17,686.04, 24,401.76 and 11,402.08

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Solution

The fourth proportional to 17,686.04, 24,401.76 and 11,402.08 is: 15,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.04 : 24,401.76 = 11,402.08 : x
  2. Step 2: Convert to fraction form
    17,686.04/24,401.76 = 11,402.08/x
  3. Step 3: Cross multiply
    17,686.04x = 24,401.76 × 11,402.08
  4. Step 4: Simplify right side
    17,686.04x = 278,230,819.66
  5. Step 5: Solve for x
    x = 278,230,819.66/17,686.04
  6. Step 6: Final answer
    x = 15,731.66

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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.