Home / 22,992.03-31,729.32-13,560.57

Finding the Fourth Proportional to 22,992.03, 31,729.32 and 13,560.57

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Solution

The fourth proportional to 22,992.03, 31,729.32 and 13,560.57 is: 18,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,992.03 : 31,729.32 = 13,560.57 : x
  2. Step 2: Convert to fraction form
    22,992.03/31,729.32 = 13,560.57/x
  3. Step 3: Cross multiply
    22,992.03x = 31,729.32 × 13,560.57
  4. Step 4: Simplify right side
    22,992.03x = 430,267,664.91
  5. Step 5: Solve for x
    x = 430,267,664.91/22,992.03
  6. Step 6: Final answer
    x = 18,713.77

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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.