Home / 13,071.33-18,053.22-8,614.85

Finding the Fourth Proportional to 13,071.33, 18,053.22 and 8,614.85

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Solution

The fourth proportional to 13,071.33, 18,053.22 and 8,614.85 is: 11,898.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.33 : 18,053.22 = 8,614.85 : x
  2. Step 2: Convert to fraction form
    13,071.33/18,053.22 = 8,614.85/x
  3. Step 3: Cross multiply
    13,071.33x = 18,053.22 × 8,614.85
  4. Step 4: Simplify right side
    13,071.33x = 155,525,692.05
  5. Step 5: Solve for x
    x = 155,525,692.05/13,071.33
  6. Step 6: Final answer
    x = 11,898.23

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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.