Home / 23,721.60-32,731.20-16,636.80

Finding the Fourth Proportional to 23,721.60, 32,731.20 and 16,636.80

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Solution

The fourth proportional to 23,721.60, 32,731.20 and 16,636.80 is: 22,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,721.60 : 32,731.20 = 16,636.80 : x
  2. Step 2: Convert to fraction form
    23,721.60/32,731.20 = 16,636.80/x
  3. Step 3: Cross multiply
    23,721.60x = 32,731.20 × 16,636.80
  4. Step 4: Simplify right side
    23,721.60x = 544,542,428.16
  5. Step 5: Solve for x
    x = 544,542,428.16/23,721.60
  6. Step 6: Final answer
    x = 22,955.55

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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.