Home / 25,541.28-38,313.72-6,820.92

Finding the Fourth Proportional to 25,541.28, 38,313.72 and 6,820.92

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Solution

The fourth proportional to 25,541.28, 38,313.72 and 6,820.92 is: 10,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,541.28 : 38,313.72 = 6,820.92 : x
  2. Step 2: Convert to fraction form
    25,541.28/38,313.72 = 6,820.92/x
  3. Step 3: Cross multiply
    25,541.28x = 38,313.72 × 6,820.92
  4. Step 4: Simplify right side
    25,541.28x = 261,334,819.02
  5. Step 5: Solve for x
    x = 261,334,819.02/25,541.28
  6. Step 6: Final answer
    x = 10,231.86

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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.