Home / 29,816.60-41,147.67-16,388.20

Finding the Fourth Proportional to 29,816.60, 41,147.67 and 16,388.20

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Solution

The fourth proportional to 29,816.60, 41,147.67 and 16,388.20 is: 22,616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,816.60 : 41,147.67 = 16,388.20 : x
  2. Step 2: Convert to fraction form
    29,816.60/41,147.67 = 16,388.20/x
  3. Step 3: Cross multiply
    29,816.60x = 41,147.67 × 16,388.20
  4. Step 4: Simplify right side
    29,816.60x = 674,335,957.81
  5. Step 5: Solve for x
    x = 674,335,957.81/29,816.60
  6. Step 6: Final answer
    x = 22,616.13

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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.