Home / 25,254.27-34,836.63-15,806.43

Finding the Fourth Proportional to 25,254.27, 34,836.63 and 15,806.43

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Solution

The fourth proportional to 25,254.27, 34,836.63 and 15,806.43 is: 21,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,254.27 : 34,836.63 = 15,806.43 : x
  2. Step 2: Convert to fraction form
    25,254.27/34,836.63 = 15,806.43/x
  3. Step 3: Cross multiply
    25,254.27x = 34,836.63 × 15,806.43
  4. Step 4: Simplify right side
    25,254.27x = 550,642,753.53
  5. Step 5: Solve for x
    x = 550,642,753.53/25,254.27
  6. Step 6: Final answer
    x = 21,803.95

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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.