Home / 22,566.96-31,138.80-13,133.52

Finding the Fourth Proportional to 22,566.96, 31,138.80 and 13,133.52

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Solution

The fourth proportional to 22,566.96, 31,138.80 and 13,133.52 is: 18,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,566.96 : 31,138.80 = 13,133.52 : x
  2. Step 2: Convert to fraction form
    22,566.96/31,138.80 = 13,133.52/x
  3. Step 3: Cross multiply
    22,566.96x = 31,138.80 × 13,133.52
  4. Step 4: Simplify right side
    22,566.96x = 408,962,052.58
  5. Step 5: Solve for x
    x = 408,962,052.58/22,566.96
  6. Step 6: Final answer
    x = 18,122.16

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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.