Home / 20,722.33-31,082.74-5,931.23

Finding the Fourth Proportional to 20,722.33, 31,082.74 and 5,931.23

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Solution

The fourth proportional to 20,722.33, 31,082.74 and 5,931.23 is: 8,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722.33 : 31,082.74 = 5,931.23 : x
  2. Step 2: Convert to fraction form
    20,722.33/31,082.74 = 5,931.23/x
  3. Step 3: Cross multiply
    20,722.33x = 31,082.74 × 5,931.23
  4. Step 4: Simplify right side
    20,722.33x = 184,358,709.73
  5. Step 5: Solve for x
    x = 184,358,709.73/20,722.33
  6. Step 6: Final answer
    x = 8,896.62

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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.