Home / 14,116.24-21,170.02-9,761.68

Finding the Fourth Proportional to 14,116.24, 21,170.02 and 9,761.68

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Solution

The fourth proportional to 14,116.24, 21,170.02 and 9,761.68 is: 14,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.24 : 21,170.02 = 9,761.68 : x
  2. Step 2: Convert to fraction form
    14,116.24/21,170.02 = 9,761.68/x
  3. Step 3: Cross multiply
    14,116.24x = 21,170.02 × 9,761.68
  4. Step 4: Simplify right side
    14,116.24x = 206,654,960.83
  5. Step 5: Solve for x
    x = 206,654,960.83/14,116.24
  6. Step 6: Final answer
    x = 14,639.52

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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.