Home / 22,341.65-30,832.30-13,387.41

Finding the Fourth Proportional to 22,341.65, 30,832.30 and 13,387.41

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Solution

The fourth proportional to 22,341.65, 30,832.30 and 13,387.41 is: 18,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,341.65 : 30,832.30 = 13,387.41 : x
  2. Step 2: Convert to fraction form
    22,341.65/30,832.30 = 13,387.41/x
  3. Step 3: Cross multiply
    22,341.65x = 30,832.30 × 13,387.41
  4. Step 4: Simplify right side
    22,341.65x = 412,764,712.85
  5. Step 5: Solve for x
    x = 412,764,712.85/22,341.65
  6. Step 6: Final answer
    x = 18,475.12

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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.