Home / 32,170.80-48,269.94-13,455.18

Finding the Fourth Proportional to 32,170.80, 48,269.94 and 13,455.18

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Solution

The fourth proportional to 32,170.80, 48,269.94 and 13,455.18 is: 20,188.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,170.80 : 48,269.94 = 13,455.18 : x
  2. Step 2: Convert to fraction form
    32,170.80/48,269.94 = 13,455.18/x
  3. Step 3: Cross multiply
    32,170.80x = 48,269.94 × 13,455.18
  4. Step 4: Simplify right side
    32,170.80x = 649,480,731.29
  5. Step 5: Solve for x
    x = 649,480,731.29/32,170.80
  6. Step 6: Final answer
    x = 20,188.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.