Home / 22,008.24-30,377.16-13,631.76

Finding the Fourth Proportional to 22,008.24, 30,377.16 and 13,631.76

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Solution

The fourth proportional to 22,008.24, 30,377.16 and 13,631.76 is: 18,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.24 : 30,377.16 = 13,631.76 : x
  2. Step 2: Convert to fraction form
    22,008.24/30,377.16 = 13,631.76/x
  3. Step 3: Cross multiply
    22,008.24x = 30,377.16 × 13,631.76
  4. Step 4: Simplify right side
    22,008.24x = 414,094,154.60
  5. Step 5: Solve for x
    x = 414,094,154.60/22,008.24
  6. Step 6: Final answer
    x = 18,815.41

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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.