Home / 14,778.17-22,142.18-8,922.47

Finding the Fourth Proportional to 14,778.17, 22,142.18 and 8,922.47

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Solution

The fourth proportional to 14,778.17, 22,142.18 and 8,922.47 is: 13,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.17 : 22,142.18 = 8,922.47 : x
  2. Step 2: Convert to fraction form
    14,778.17/22,142.18 = 8,922.47/x
  3. Step 3: Cross multiply
    14,778.17x = 22,142.18 × 8,922.47
  4. Step 4: Simplify right side
    14,778.17x = 197,562,781.46
  5. Step 5: Solve for x
    x = 197,562,781.46/14,778.17
  6. Step 6: Final answer
    x = 13,368.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.