Home / 14,823.60-20,456.46-9,520.44

Finding the Fourth Proportional to 14,823.60, 20,456.46 and 9,520.44

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Solution

The fourth proportional to 14,823.60, 20,456.46 and 9,520.44 is: 13,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,823.60 : 20,456.46 = 9,520.44 : x
  2. Step 2: Convert to fraction form
    14,823.60/20,456.46 = 9,520.44/x
  3. Step 3: Cross multiply
    14,823.60x = 20,456.46 × 9,520.44
  4. Step 4: Simplify right side
    14,823.60x = 194,754,500.04
  5. Step 5: Solve for x
    x = 194,754,500.04/14,823.60
  6. Step 6: Final answer
    x = 13,138.14

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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.