Home / 15,549.20-23,321.10-5,683.40

Finding the Fourth Proportional to 15,549.20, 23,321.10 and 5,683.40

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Solution

The fourth proportional to 15,549.20, 23,321.10 and 5,683.40 is: 8,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.20 : 23,321.10 = 5,683.40 : x
  2. Step 2: Convert to fraction form
    15,549.20/23,321.10 = 5,683.40/x
  3. Step 3: Cross multiply
    15,549.20x = 23,321.10 × 5,683.40
  4. Step 4: Simplify right side
    15,549.20x = 132,543,139.74
  5. Step 5: Solve for x
    x = 132,543,139.74/15,549.20
  6. Step 6: Final answer
    x = 8,524.11

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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.