Home / 22,921.59-31,632.66-12,850.08

Finding the Fourth Proportional to 22,921.59, 31,632.66 and 12,850.08

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Solution

The fourth proportional to 22,921.59, 31,632.66 and 12,850.08 is: 17,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,921.59 : 31,632.66 = 12,850.08 : x
  2. Step 2: Convert to fraction form
    22,921.59/31,632.66 = 12,850.08/x
  3. Step 3: Cross multiply
    22,921.59x = 31,632.66 × 12,850.08
  4. Step 4: Simplify right side
    22,921.59x = 406,482,211.61
  5. Step 5: Solve for x
    x = 406,482,211.61/22,921.59
  6. Step 6: Final answer
    x = 17,733.60

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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.