Home / 25,961.76-38,947.48-12,110.76

Finding the Fourth Proportional to 25,961.76, 38,947.48 and 12,110.76

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Solution

The fourth proportional to 25,961.76, 38,947.48 and 12,110.76 is: 18,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,961.76 : 38,947.48 = 12,110.76 : x
  2. Step 2: Convert to fraction form
    25,961.76/38,947.48 = 12,110.76/x
  3. Step 3: Cross multiply
    25,961.76x = 38,947.48 × 12,110.76
  4. Step 4: Simplify right side
    25,961.76x = 471,683,582.88
  5. Step 5: Solve for x
    x = 471,683,582.88/25,961.76
  6. Step 6: Final answer
    x = 18,168.40

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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.