Home / 21,562.66-29,755.72-12,002.23

Finding the Fourth Proportional to 21,562.66, 29,755.72 and 12,002.23

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Solution

The fourth proportional to 21,562.66, 29,755.72 and 12,002.23 is: 16,562.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,562.66 : 29,755.72 = 12,002.23 : x
  2. Step 2: Convert to fraction form
    21,562.66/29,755.72 = 12,002.23/x
  3. Step 3: Cross multiply
    21,562.66x = 29,755.72 × 12,002.23
  4. Step 4: Simplify right side
    21,562.66x = 357,134,995.26
  5. Step 5: Solve for x
    x = 357,134,995.26/21,562.66
  6. Step 6: Final answer
    x = 16,562.66

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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.