Home / 25,526.31-38,263.32-8,872.65

Finding the Fourth Proportional to 25,526.31, 38,263.32 and 8,872.65

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Solution

The fourth proportional to 25,526.31, 38,263.32 and 8,872.65 is: 13,299.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,526.31 : 38,263.32 = 8,872.65 : x
  2. Step 2: Convert to fraction form
    25,526.31/38,263.32 = 8,872.65/x
  3. Step 3: Cross multiply
    25,526.31x = 38,263.32 × 8,872.65
  4. Step 4: Simplify right side
    25,526.31x = 339,497,046.20
  5. Step 5: Solve for x
    x = 339,497,046.20/25,526.31
  6. Step 6: Final answer
    x = 13,299.89

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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.