Home / 23,778.76-32,815.67-13,168.40

Finding the Fourth Proportional to 23,778.76, 32,815.67 and 13,168.40

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Solution

The fourth proportional to 23,778.76, 32,815.67 and 13,168.40 is: 18,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,778.76 : 32,815.67 = 13,168.40 : x
  2. Step 2: Convert to fraction form
    23,778.76/32,815.67 = 13,168.40/x
  3. Step 3: Cross multiply
    23,778.76x = 32,815.67 × 13,168.40
  4. Step 4: Simplify right side
    23,778.76x = 432,129,737.67
  5. Step 5: Solve for x
    x = 432,129,737.67/23,778.76
  6. Step 6: Final answer
    x = 18,172.93

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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.