Home / 21,475.13-29,635.67-12,046.73

Finding the Fourth Proportional to 21,475.13, 29,635.67 and 12,046.73

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Solution

The fourth proportional to 21,475.13, 29,635.67 and 12,046.73 is: 16,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475.13 : 29,635.67 = 12,046.73 : x
  2. Step 2: Convert to fraction form
    21,475.13/29,635.67 = 12,046.73/x
  3. Step 3: Cross multiply
    21,475.13x = 29,635.67 × 12,046.73
  4. Step 4: Simplify right side
    21,475.13x = 357,012,796.80
  5. Step 5: Solve for x
    x = 357,012,796.80/21,475.13
  6. Step 6: Final answer
    x = 16,624.48

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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.