Home / 23,283.33-32,138.19-13,218.45

Finding the Fourth Proportional to 23,283.33, 32,138.19 and 13,218.45

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Solution

The fourth proportional to 23,283.33, 32,138.19 and 13,218.45 is: 18,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,283.33 : 32,138.19 = 13,218.45 : x
  2. Step 2: Convert to fraction form
    23,283.33/32,138.19 = 13,218.45/x
  3. Step 3: Cross multiply
    23,283.33x = 32,138.19 × 13,218.45
  4. Step 4: Simplify right side
    23,283.33x = 424,817,057.61
  5. Step 5: Solve for x
    x = 424,817,057.61/23,283.33
  6. Step 6: Final answer
    x = 18,245.55

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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.