Home / 23,278.96-32,127.33-13,721.82

Finding the Fourth Proportional to 23,278.96, 32,127.33 and 13,721.82

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Solution

The fourth proportional to 23,278.96, 32,127.33 and 13,721.82 is: 18,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.96 : 32,127.33 = 13,721.82 : x
  2. Step 2: Convert to fraction form
    23,278.96/32,127.33 = 13,721.82/x
  3. Step 3: Cross multiply
    23,278.96x = 32,127.33 × 13,721.82
  4. Step 4: Simplify right side
    23,278.96x = 440,845,439.34
  5. Step 5: Solve for x
    x = 440,845,439.34/23,278.96
  6. Step 6: Final answer
    x = 18,937.51

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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.