Home / 22,281.92-30,748.15-13,334.36

Finding the Fourth Proportional to 22,281.92, 30,748.15 and 13,334.36

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Solution

The fourth proportional to 22,281.92, 30,748.15 and 13,334.36 is: 18,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.92 : 30,748.15 = 13,334.36 : x
  2. Step 2: Convert to fraction form
    22,281.92/30,748.15 = 13,334.36/x
  3. Step 3: Cross multiply
    22,281.92x = 30,748.15 × 13,334.36
  4. Step 4: Simplify right side
    22,281.92x = 410,006,714.36
  5. Step 5: Solve for x
    x = 410,006,714.36/22,281.92
  6. Step 6: Final answer
    x = 18,400.87

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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.