Home / 25,486.72-38,229.28-7,018.56

Finding the Fourth Proportional to 25,486.72, 38,229.28 and 7,018.56

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Solution

The fourth proportional to 25,486.72, 38,229.28 and 7,018.56 is: 10,527.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486.72 : 38,229.28 = 7,018.56 : x
  2. Step 2: Convert to fraction form
    25,486.72/38,229.28 = 7,018.56/x
  3. Step 3: Cross multiply
    25,486.72x = 38,229.28 × 7,018.56
  4. Step 4: Simplify right side
    25,486.72x = 268,314,495.44
  5. Step 5: Solve for x
    x = 268,314,495.44/25,486.72
  6. Step 6: Final answer
    x = 10,527.62

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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.