Home / 16,119.48-22,251.84-15,110.76

Finding the Fourth Proportional to 16,119.48, 22,251.84 and 15,110.76

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Solution

The fourth proportional to 16,119.48, 22,251.84 and 15,110.76 is: 20,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,119.48 : 22,251.84 = 15,110.76 : x
  2. Step 2: Convert to fraction form
    16,119.48/22,251.84 = 15,110.76/x
  3. Step 3: Cross multiply
    16,119.48x = 22,251.84 × 15,110.76
  4. Step 4: Simplify right side
    16,119.48x = 336,242,213.80
  5. Step 5: Solve for x
    x = 336,242,213.80/16,119.48
  6. Step 6: Final answer
    x = 20,859.37

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Half scale
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Double scale
Find fourth proportional to 16,120.48, 22,253.22 and 15,111.76
Similar ratio
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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.