Home / 13,054.92-19,572.78-8,380.24

Finding the Fourth Proportional to 13,054.92, 19,572.78 and 8,380.24

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Solution

The fourth proportional to 13,054.92, 19,572.78 and 8,380.24 is: 12,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.92 : 19,572.78 = 8,380.24 : x
  2. Step 2: Convert to fraction form
    13,054.92/19,572.78 = 8,380.24/x
  3. Step 3: Cross multiply
    13,054.92x = 19,572.78 × 8,380.24
  4. Step 4: Simplify right side
    13,054.92x = 164,024,593.87
  5. Step 5: Solve for x
    x = 164,024,593.87/13,054.92
  6. Step 6: Final answer
    x = 12,564.20

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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.