Home / 25,488.72-38,232.28-7,020.56

Finding the Fourth Proportional to 25,488.72, 38,232.28 and 7,020.56

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Solution

The fourth proportional to 25,488.72, 38,232.28 and 7,020.56 is: 10,530.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,488.72 : 38,232.28 = 7,020.56 : x
  2. Step 2: Convert to fraction form
    25,488.72/38,232.28 = 7,020.56/x
  3. Step 3: Cross multiply
    25,488.72x = 38,232.28 × 7,020.56
  4. Step 4: Simplify right side
    25,488.72x = 268,412,015.68
  5. Step 5: Solve for x
    x = 268,412,015.68/25,488.72
  6. Step 6: Final answer
    x = 10,530.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.