Home / 15,916.14-21,974.22-10,253.70

Finding the Fourth Proportional to 15,916.14, 21,974.22 and 10,253.70

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Solution

The fourth proportional to 15,916.14, 21,974.22 and 10,253.70 is: 14,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.14 : 21,974.22 = 10,253.70 : x
  2. Step 2: Convert to fraction form
    15,916.14/21,974.22 = 10,253.70/x
  3. Step 3: Cross multiply
    15,916.14x = 21,974.22 × 10,253.70
  4. Step 4: Simplify right side
    15,916.14x = 225,317,059.61
  5. Step 5: Solve for x
    x = 225,317,059.61/15,916.14
  6. Step 6: Final answer
    x = 14,156.51

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1.5x scale

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.