Home / 14,772.17-20,385.46-8,484.59

Finding the Fourth Proportional to 14,772.17, 20,385.46 and 8,484.59

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Solution

The fourth proportional to 14,772.17, 20,385.46 and 8,484.59 is: 11,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.17 : 20,385.46 = 8,484.59 : x
  2. Step 2: Convert to fraction form
    14,772.17/20,385.46 = 8,484.59/x
  3. Step 3: Cross multiply
    14,772.17x = 20,385.46 × 8,484.59
  4. Step 4: Simplify right side
    14,772.17x = 172,962,270.06
  5. Step 5: Solve for x
    x = 172,962,270.06/14,772.17
  6. Step 6: Final answer
    x = 11,708.66

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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.