Home / 23,431.70-32,335.45-13,359.80

Finding the Fourth Proportional to 23,431.70, 32,335.45 and 13,359.80

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Solution

The fourth proportional to 23,431.70, 32,335.45 and 13,359.80 is: 18,436.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.70 : 32,335.45 = 13,359.80 : x
  2. Step 2: Convert to fraction form
    23,431.70/32,335.45 = 13,359.80/x
  3. Step 3: Cross multiply
    23,431.70x = 32,335.45 × 13,359.80
  4. Step 4: Simplify right side
    23,431.70x = 431,995,192.35
  5. Step 5: Solve for x
    x = 431,995,192.35/23,431.70
  6. Step 6: Final answer
    x = 18,436.36

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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.