Home / 25,346.16-38,013.48-12,191.76

Finding the Fourth Proportional to 25,346.16, 38,013.48 and 12,191.76

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Solution

The fourth proportional to 25,346.16, 38,013.48 and 12,191.76 is: 18,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,346.16 : 38,013.48 = 12,191.76 : x
  2. Step 2: Convert to fraction form
    25,346.16/38,013.48 = 12,191.76/x
  3. Step 3: Cross multiply
    25,346.16x = 38,013.48 × 12,191.76
  4. Step 4: Simplify right side
    25,346.16x = 463,451,224.92
  5. Step 5: Solve for x
    x = 463,451,224.92/25,346.16
  6. Step 6: Final answer
    x = 18,284.87

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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.