Home / 25,811.49-38,731.33-10,017.14

Finding the Fourth Proportional to 25,811.49, 38,731.33 and 10,017.14

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Solution

The fourth proportional to 25,811.49, 38,731.33 and 10,017.14 is: 15,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.49 : 38,731.33 = 10,017.14 : x
  2. Step 2: Convert to fraction form
    25,811.49/38,731.33 = 10,017.14/x
  3. Step 3: Cross multiply
    25,811.49x = 38,731.33 × 10,017.14
  4. Step 4: Simplify right side
    25,811.49x = 387,977,119.10
  5. Step 5: Solve for x
    x = 387,977,119.10/25,811.49
  6. Step 6: Final answer
    x = 15,031.18

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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.