Home / 25,306.65-34,917.35-14,689.98

Finding the Fourth Proportional to 25,306.65, 34,917.35 and 14,689.98

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Solution

The fourth proportional to 25,306.65, 34,917.35 and 14,689.98 is: 20,268.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,306.65 : 34,917.35 = 14,689.98 : x
  2. Step 2: Convert to fraction form
    25,306.65/34,917.35 = 14,689.98/x
  3. Step 3: Cross multiply
    25,306.65x = 34,917.35 × 14,689.98
  4. Step 4: Simplify right side
    25,306.65x = 512,935,099.70
  5. Step 5: Solve for x
    x = 512,935,099.70/25,306.65
  6. Step 6: Final answer
    x = 20,268.79

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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.