Home / 26,579.75-39,870.53-14,082.86

Finding the Fourth Proportional to 26,579.75, 39,870.53 and 14,082.86

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Solution

The fourth proportional to 26,579.75, 39,870.53 and 14,082.86 is: 21,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.75 : 39,870.53 = 14,082.86 : x
  2. Step 2: Convert to fraction form
    26,579.75/39,870.53 = 14,082.86/x
  3. Step 3: Cross multiply
    26,579.75x = 39,870.53 × 14,082.86
  4. Step 4: Simplify right side
    26,579.75x = 561,490,822.35
  5. Step 5: Solve for x
    x = 561,490,822.35/26,579.75
  6. Step 6: Final answer
    x = 21,124.76

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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.