Home / 22,850.88-31,534.13-12,779.29

Finding the Fourth Proportional to 22,850.88, 31,534.13 and 12,779.29

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Solution

The fourth proportional to 22,850.88, 31,534.13 and 12,779.29 is: 17,635.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,850.88 : 31,534.13 = 12,779.29 : x
  2. Step 2: Convert to fraction form
    22,850.88/31,534.13 = 12,779.29/x
  3. Step 3: Cross multiply
    22,850.88x = 31,534.13 × 12,779.29
  4. Step 4: Simplify right side
    22,850.88x = 402,983,614.27
  5. Step 5: Solve for x
    x = 402,983,614.27/22,850.88
  6. Step 6: Final answer
    x = 17,635.37

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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.