Home / 26,119.91-36,045.20-14,789.09

Finding the Fourth Proportional to 26,119.91, 36,045.20 and 14,789.09

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Solution

The fourth proportional to 26,119.91, 36,045.20 and 14,789.09 is: 20,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,119.91 : 36,045.20 = 14,789.09 : x
  2. Step 2: Convert to fraction form
    26,119.91/36,045.20 = 14,789.09/x
  3. Step 3: Cross multiply
    26,119.91x = 36,045.20 × 14,789.09
  4. Step 4: Simplify right side
    26,119.91x = 533,075,632.92
  5. Step 5: Solve for x
    x = 533,075,632.92/26,119.91
  6. Step 6: Final answer
    x = 20,408.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.