Home / 22,891.22-31,587.73-13,330.70

Finding the Fourth Proportional to 22,891.22, 31,587.73 and 13,330.70

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Solution

The fourth proportional to 22,891.22, 31,587.73 and 13,330.70 is: 18,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,891.22 : 31,587.73 = 13,330.70 : x
  2. Step 2: Convert to fraction form
    22,891.22/31,587.73 = 13,330.70/x
  3. Step 3: Cross multiply
    22,891.22x = 31,587.73 × 13,330.70
  4. Step 4: Simplify right side
    22,891.22x = 421,086,552.31
  5. Step 5: Solve for x
    x = 421,086,552.31/22,891.22
  6. Step 6: Final answer
    x = 18,395.11

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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.