Home / 26,082.18-39,123.18-18,325.62

Finding the Fourth Proportional to 26,082.18, 39,123.18 and 18,325.62

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Solution

The fourth proportional to 26,082.18, 39,123.18 and 18,325.62 is: 27,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,082.18 : 39,123.18 = 18,325.62 : x
  2. Step 2: Convert to fraction form
    26,082.18/39,123.18 = 18,325.62/x
  3. Step 3: Cross multiply
    26,082.18x = 39,123.18 × 18,325.62
  4. Step 4: Simplify right side
    26,082.18x = 716,956,529.87
  5. Step 5: Solve for x
    x = 716,956,529.87/26,082.18
  6. Step 6: Final answer
    x = 27,488.37

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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.