Home / 19,238.76-28,874.34-7,560.18

Finding the Fourth Proportional to 19,238.76, 28,874.34 and 7,560.18

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Solution

The fourth proportional to 19,238.76, 28,874.34 and 7,560.18 is: 11,346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.76 : 28,874.34 = 7,560.18 : x
  2. Step 2: Convert to fraction form
    19,238.76/28,874.34 = 7,560.18/x
  3. Step 3: Cross multiply
    19,238.76x = 28,874.34 × 7,560.18
  4. Step 4: Simplify right side
    19,238.76x = 218,295,207.78
  5. Step 5: Solve for x
    x = 218,295,207.78/19,238.76
  6. Step 6: Final answer
    x = 11,346.64

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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.