Home / 15,621.46-23,432.22-3,934.60

Finding the Fourth Proportional to 15,621.46, 23,432.22 and 3,934.60

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Solution

The fourth proportional to 15,621.46, 23,432.22 and 3,934.60 is: 5,901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.46 : 23,432.22 = 3,934.60 : x
  2. Step 2: Convert to fraction form
    15,621.46/23,432.22 = 3,934.60/x
  3. Step 3: Cross multiply
    15,621.46x = 23,432.22 × 3,934.60
  4. Step 4: Simplify right side
    15,621.46x = 92,196,412.81
  5. Step 5: Solve for x
    x = 92,196,412.81/15,621.46
  6. Step 6: Final answer
    x = 5,901.91

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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.