Home / 23,013.48-31,759.38-13,581.84

Finding the Fourth Proportional to 23,013.48, 31,759.38 and 13,581.84

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Solution

The fourth proportional to 23,013.48, 31,759.38 and 13,581.84 is: 18,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,013.48 : 31,759.38 = 13,581.84 : x
  2. Step 2: Convert to fraction form
    23,013.48/31,759.38 = 13,581.84/x
  3. Step 3: Cross multiply
    23,013.48x = 31,759.38 × 13,581.84
  4. Step 4: Simplify right side
    23,013.48x = 431,350,817.66
  5. Step 5: Solve for x
    x = 431,350,817.66/23,013.48
  6. Step 6: Final answer
    x = 18,743.40

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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.