Home / 13,166.70-18,174.15-10,833.90

Finding the Fourth Proportional to 13,166.70, 18,174.15 and 10,833.90

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Solution

The fourth proportional to 13,166.70, 18,174.15 and 10,833.90 is: 14,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.70 : 18,174.15 = 10,833.90 : x
  2. Step 2: Convert to fraction form
    13,166.70/18,174.15 = 10,833.90/x
  3. Step 3: Cross multiply
    13,166.70x = 18,174.15 × 10,833.90
  4. Step 4: Simplify right side
    13,166.70x = 196,896,923.69
  5. Step 5: Solve for x
    x = 196,896,923.69/13,166.70
  6. Step 6: Final answer
    x = 14,954.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.