Home / 16,220.55-22,358.12-11,744.55

Finding the Fourth Proportional to 16,220.55, 22,358.12 and 11,744.55

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Solution

The fourth proportional to 16,220.55, 22,358.12 and 11,744.55 is: 16,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220.55 : 22,358.12 = 11,744.55 : x
  2. Step 2: Convert to fraction form
    16,220.55/22,358.12 = 11,744.55/x
  3. Step 3: Cross multiply
    16,220.55x = 22,358.12 × 11,744.55
  4. Step 4: Simplify right side
    16,220.55x = 262,585,999.52
  5. Step 5: Solve for x
    x = 262,585,999.52/16,220.55
  6. Step 6: Final answer
    x = 16,188.48

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Half scale
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Double scale
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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.