Home / 19,520.96-29,230.80-16,393.76

Finding the Fourth Proportional to 19,520.96, 29,230.80 and 16,393.76

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Solution

The fourth proportional to 19,520.96, 29,230.80 and 16,393.76 is: 24,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.96 : 29,230.80 = 16,393.76 : x
  2. Step 2: Convert to fraction form
    19,520.96/29,230.80 = 16,393.76/x
  3. Step 3: Cross multiply
    19,520.96x = 29,230.80 × 16,393.76
  4. Step 4: Simplify right side
    19,520.96x = 479,202,719.81
  5. Step 5: Solve for x
    x = 479,202,719.81/19,520.96
  6. Step 6: Final answer
    x = 24,548.11

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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.