Home / 25,768.34-38,643.38-12,257.92

Finding the Fourth Proportional to 25,768.34, 38,643.38 and 12,257.92

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Solution

The fourth proportional to 25,768.34, 38,643.38 and 12,257.92 is: 18,382.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,768.34 : 38,643.38 = 12,257.92 : x
  2. Step 2: Convert to fraction form
    25,768.34/38,643.38 = 12,257.92/x
  3. Step 3: Cross multiply
    25,768.34x = 38,643.38 × 12,257.92
  4. Step 4: Simplify right side
    25,768.34x = 473,687,460.57
  5. Step 5: Solve for x
    x = 473,687,460.57/25,768.34
  6. Step 6: Final answer
    x = 18,382.54

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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.