Home / 25,381.16-38,043.42-10,585.16

Finding the Fourth Proportional to 25,381.16, 38,043.42 and 10,585.16

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Solution

The fourth proportional to 25,381.16, 38,043.42 and 10,585.16 is: 15,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.16 : 38,043.42 = 10,585.16 : x
  2. Step 2: Convert to fraction form
    25,381.16/38,043.42 = 10,585.16/x
  3. Step 3: Cross multiply
    25,381.16x = 38,043.42 × 10,585.16
  4. Step 4: Simplify right side
    25,381.16x = 402,695,687.65
  5. Step 5: Solve for x
    x = 402,695,687.65/25,381.16
  6. Step 6: Final answer
    x = 15,865.93

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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.