Home / 13,162.71-19,745.10-4,397.66

Finding the Fourth Proportional to 13,162.71, 19,745.10 and 4,397.66

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Solution

The fourth proportional to 13,162.71, 19,745.10 and 4,397.66 is: 6,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162.71 : 19,745.10 = 4,397.66 : x
  2. Step 2: Convert to fraction form
    13,162.71/19,745.10 = 4,397.66/x
  3. Step 3: Cross multiply
    13,162.71x = 19,745.10 × 4,397.66
  4. Step 4: Simplify right side
    13,162.71x = 86,832,236.47
  5. Step 5: Solve for x
    x = 86,832,236.47/13,162.71
  6. Step 6: Final answer
    x = 6,596.84

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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.