Home / 22,921.74-31,631.88-12,850.17

Finding the Fourth Proportional to 22,921.74, 31,631.88 and 12,850.17

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Solution

The fourth proportional to 22,921.74, 31,631.88 and 12,850.17 is: 17,733.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,921.74 : 31,631.88 = 12,850.17 : x
  2. Step 2: Convert to fraction form
    22,921.74/31,631.88 = 12,850.17/x
  3. Step 3: Cross multiply
    22,921.74x = 31,631.88 × 12,850.17
  4. Step 4: Simplify right side
    22,921.74x = 406,475,035.42
  5. Step 5: Solve for x
    x = 406,475,035.42/22,921.74
  6. Step 6: Final answer
    x = 17,733.17

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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.