Home / 23,905.33-32,990.16-13,150.66

Finding the Fourth Proportional to 23,905.33, 32,990.16 and 13,150.66

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Solution

The fourth proportional to 23,905.33, 32,990.16 and 13,150.66 is: 18,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,905.33 : 32,990.16 = 13,150.66 : x
  2. Step 2: Convert to fraction form
    23,905.33/32,990.16 = 13,150.66/x
  3. Step 3: Cross multiply
    23,905.33x = 32,990.16 × 13,150.66
  4. Step 4: Simplify right side
    23,905.33x = 433,842,146.80
  5. Step 5: Solve for x
    x = 433,842,146.80/23,905.33
  6. Step 6: Final answer
    x = 18,148.34

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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.