Home / 25,176.58-34,740.90-15,105.46

Finding the Fourth Proportional to 25,176.58, 34,740.90 and 15,105.46

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Solution

The fourth proportional to 25,176.58, 34,740.90 and 15,105.46 is: 20,843.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,176.58 : 34,740.90 = 15,105.46 : x
  2. Step 2: Convert to fraction form
    25,176.58/34,740.90 = 15,105.46/x
  3. Step 3: Cross multiply
    25,176.58x = 34,740.90 × 15,105.46
  4. Step 4: Simplify right side
    25,176.58x = 524,777,275.31
  5. Step 5: Solve for x
    x = 524,777,275.31/25,176.58
  6. Step 6: Final answer
    x = 20,843.87

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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.