Home / 14,572.36-20,109.09-8,601.85

Finding the Fourth Proportional to 14,572.36, 20,109.09 and 8,601.85

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Solution

The fourth proportional to 14,572.36, 20,109.09 and 8,601.85 is: 11,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.36 : 20,109.09 = 8,601.85 : x
  2. Step 2: Convert to fraction form
    14,572.36/20,109.09 = 8,601.85/x
  3. Step 3: Cross multiply
    14,572.36x = 20,109.09 × 8,601.85
  4. Step 4: Simplify right side
    14,572.36x = 172,975,375.82
  5. Step 5: Solve for x
    x = 172,975,375.82/14,572.36
  6. Step 6: Final answer
    x = 11,870.10

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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.