Home / 22,463.07-30,999.41-13,508.88

Finding the Fourth Proportional to 22,463.07, 30,999.41 and 13,508.88

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Solution

The fourth proportional to 22,463.07, 30,999.41 and 13,508.88 is: 18,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.07 : 30,999.41 = 13,508.88 : x
  2. Step 2: Convert to fraction form
    22,463.07/30,999.41 = 13,508.88/x
  3. Step 3: Cross multiply
    22,463.07x = 30,999.41 × 13,508.88
  4. Step 4: Simplify right side
    22,463.07x = 418,767,309.76
  5. Step 5: Solve for x
    x = 418,767,309.76/22,463.07
  6. Step 6: Final answer
    x = 18,642.48

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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.