Home / 25,991.91-39,020.67-14,908.68

Finding the Fourth Proportional to 25,991.91, 39,020.67 and 14,908.68

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Solution

The fourth proportional to 25,991.91, 39,020.67 and 14,908.68 is: 22,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,991.91 : 39,020.67 = 14,908.68 : x
  2. Step 2: Convert to fraction form
    25,991.91/39,020.67 = 14,908.68/x
  3. Step 3: Cross multiply
    25,991.91x = 39,020.67 × 14,908.68
  4. Step 4: Simplify right side
    25,991.91x = 581,746,682.42
  5. Step 5: Solve for x
    x = 581,746,682.42/25,991.91
  6. Step 6: Final answer
    x = 22,381.84

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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.