Home / 25,972.11-38,963.02-10,390.95

Finding the Fourth Proportional to 25,972.11, 38,963.02 and 10,390.95

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Solution

The fourth proportional to 25,972.11, 38,963.02 and 10,390.95 is: 15,588.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,972.11 : 38,963.02 = 10,390.95 : x
  2. Step 2: Convert to fraction form
    25,972.11/38,963.02 = 10,390.95/x
  3. Step 3: Cross multiply
    25,972.11x = 38,963.02 × 10,390.95
  4. Step 4: Simplify right side
    25,972.11x = 404,862,792.67
  5. Step 5: Solve for x
    x = 404,862,792.67/25,972.11
  6. Step 6: Final answer
    x = 15,588.37

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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.