Home / 20,773.08-31,159.56-9,682.92

Finding the Fourth Proportional to 20,773.08, 31,159.56 and 9,682.92

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Solution

The fourth proportional to 20,773.08, 31,159.56 and 9,682.92 is: 14,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773.08 : 31,159.56 = 9,682.92 : x
  2. Step 2: Convert to fraction form
    20,773.08/31,159.56 = 9,682.92/x
  3. Step 3: Cross multiply
    20,773.08x = 31,159.56 × 9,682.92
  4. Step 4: Simplify right side
    20,773.08x = 301,715,526.72
  5. Step 5: Solve for x
    x = 301,715,526.72/20,773.08
  6. Step 6: Final answer
    x = 14,524.35

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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.