Home / 23,780.28-32,818.62-13,170.90

Finding the Fourth Proportional to 23,780.28, 32,818.62 and 13,170.90

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Solution

The fourth proportional to 23,780.28, 32,818.62 and 13,170.90 is: 18,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,780.28 : 32,818.62 = 13,170.90 : x
  2. Step 2: Convert to fraction form
    23,780.28/32,818.62 = 13,170.90/x
  3. Step 3: Cross multiply
    23,780.28x = 32,818.62 × 13,170.90
  4. Step 4: Simplify right side
    23,780.28x = 432,250,762.16
  5. Step 5: Solve for x
    x = 432,250,762.16/23,780.28
  6. Step 6: Final answer
    x = 18,176.86

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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.