Home / 23,465.78-32,385.10-13,395.73

Finding the Fourth Proportional to 23,465.78, 32,385.10 and 13,395.73

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Solution

The fourth proportional to 23,465.78, 32,385.10 and 13,395.73 is: 18,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,465.78 : 32,385.10 = 13,395.73 : x
  2. Step 2: Convert to fraction form
    23,465.78/32,385.10 = 13,395.73/x
  3. Step 3: Cross multiply
    23,465.78x = 32,385.10 × 13,395.73
  4. Step 4: Simplify right side
    23,465.78x = 433,822,055.62
  5. Step 5: Solve for x
    x = 433,822,055.62/23,465.78
  6. Step 6: Final answer
    x = 18,487.43

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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.