Home / 20,724.99-31,082.10-5,930.46

Finding the Fourth Proportional to 20,724.99, 31,082.10 and 5,930.46

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Solution

The fourth proportional to 20,724.99, 31,082.10 and 5,930.46 is: 8,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724.99 : 31,082.10 = 5,930.46 : x
  2. Step 2: Convert to fraction form
    20,724.99/31,082.10 = 5,930.46/x
  3. Step 3: Cross multiply
    20,724.99x = 31,082.10 × 5,930.46
  4. Step 4: Simplify right side
    20,724.99x = 184,331,150.77
  5. Step 5: Solve for x
    x = 184,331,150.77/20,724.99
  6. Step 6: Final answer
    x = 8,894.15

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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.