Home / 16,082.80-24,123.30-4,989.40

Finding the Fourth Proportional to 16,082.80, 24,123.30 and 4,989.40

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Solution

The fourth proportional to 16,082.80, 24,123.30 and 4,989.40 is: 7,483.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,082.80 : 24,123.30 = 4,989.40 : x
  2. Step 2: Convert to fraction form
    16,082.80/24,123.30 = 4,989.40/x
  3. Step 3: Cross multiply
    16,082.80x = 24,123.30 × 4,989.40
  4. Step 4: Simplify right side
    16,082.80x = 120,360,793.02
  5. Step 5: Solve for x
    x = 120,360,793.02/16,082.80
  6. Step 6: Final answer
    x = 7,483.82

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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.