Home / 22,312.39-33,472.68-18,188.53

Finding the Fourth Proportional to 22,312.39, 33,472.68 and 18,188.53

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Solution

The fourth proportional to 22,312.39, 33,472.68 and 18,188.53 is: 27,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.39 : 33,472.68 = 18,188.53 : x
  2. Step 2: Convert to fraction form
    22,312.39/33,472.68 = 18,188.53/x
  3. Step 3: Cross multiply
    22,312.39x = 33,472.68 × 18,188.53
  4. Step 4: Simplify right side
    22,312.39x = 608,818,844.36
  5. Step 5: Solve for x
    x = 608,818,844.36/22,312.39
  6. Step 6: Final answer
    x = 27,286.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.