Home / 19,711.60-29,567.40-8,033.20

Finding the Fourth Proportional to 19,711.60, 29,567.40 and 8,033.20

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Solution

The fourth proportional to 19,711.60, 29,567.40 and 8,033.20 is: 12,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.60 : 29,567.40 = 8,033.20 : x
  2. Step 2: Convert to fraction form
    19,711.60/29,567.40 = 8,033.20/x
  3. Step 3: Cross multiply
    19,711.60x = 29,567.40 × 8,033.20
  4. Step 4: Simplify right side
    19,711.60x = 237,520,837.68
  5. Step 5: Solve for x
    x = 237,520,837.68/19,711.60
  6. Step 6: Final answer
    x = 12,049.80

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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.