Home / 25,216.67-34,799.10-15,145.28

Finding the Fourth Proportional to 25,216.67, 34,799.10 and 15,145.28

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Solution

The fourth proportional to 25,216.67, 34,799.10 and 15,145.28 is: 20,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,216.67 : 34,799.10 = 15,145.28 : x
  2. Step 2: Convert to fraction form
    25,216.67/34,799.10 = 15,145.28/x
  3. Step 3: Cross multiply
    25,216.67x = 34,799.10 × 15,145.28
  4. Step 4: Simplify right side
    25,216.67x = 527,041,882.46
  5. Step 5: Solve for x
    x = 527,041,882.46/25,216.67
  6. Step 6: Final answer
    x = 20,900.54

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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.