Home / 25,227.79-34,806.47-15,158.48

Finding the Fourth Proportional to 25,227.79, 34,806.47 and 15,158.48

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Solution

The fourth proportional to 25,227.79, 34,806.47 and 15,158.48 is: 20,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,227.79 : 34,806.47 = 15,158.48 : x
  2. Step 2: Convert to fraction form
    25,227.79/34,806.47 = 15,158.48/x
  3. Step 3: Cross multiply
    25,227.79x = 34,806.47 × 15,158.48
  4. Step 4: Simplify right side
    25,227.79x = 527,612,929.54
  5. Step 5: Solve for x
    x = 527,612,929.54/25,227.79
  6. Step 6: Final answer
    x = 20,913.96

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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.