Home / 25,177.80-34,747.29-15,106.62

Finding the Fourth Proportional to 25,177.80, 34,747.29 and 15,106.62

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Solution

The fourth proportional to 25,177.80, 34,747.29 and 15,106.62 is: 20,848.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,177.80 : 34,747.29 = 15,106.62 : x
  2. Step 2: Convert to fraction form
    25,177.80/34,747.29 = 15,106.62/x
  3. Step 3: Cross multiply
    25,177.80x = 34,747.29 × 15,106.62
  4. Step 4: Simplify right side
    25,177.80x = 524,914,106.06
  5. Step 5: Solve for x
    x = 524,914,106.06/25,177.80
  6. Step 6: Final answer
    x = 20,848.29

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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.