Home / 25,138.19-34,706.96-15,588.23

Finding the Fourth Proportional to 25,138.19, 34,706.96 and 15,588.23

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Solution

The fourth proportional to 25,138.19, 34,706.96 and 15,588.23 is: 21,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,138.19 : 34,706.96 = 15,588.23 : x
  2. Step 2: Convert to fraction form
    25,138.19/34,706.96 = 15,588.23/x
  3. Step 3: Cross multiply
    25,138.19x = 34,706.96 × 15,588.23
  4. Step 4: Simplify right side
    25,138.19x = 541,019,823.60
  5. Step 5: Solve for x
    x = 541,019,823.60/25,138.19
  6. Step 6: Final answer
    x = 21,521.83

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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.