Home / 13,176.86-19,765.29-9,098.78

Finding the Fourth Proportional to 13,176.86, 19,765.29 and 9,098.78

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Solution

The fourth proportional to 13,176.86, 19,765.29 and 9,098.78 is: 13,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.86 : 19,765.29 = 9,098.78 : x
  2. Step 2: Convert to fraction form
    13,176.86/19,765.29 = 9,098.78/x
  3. Step 3: Cross multiply
    13,176.86x = 19,765.29 × 9,098.78
  4. Step 4: Simplify right side
    13,176.86x = 179,840,025.35
  5. Step 5: Solve for x
    x = 179,840,025.35/13,176.86
  6. Step 6: Final answer
    x = 13,648.17

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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.