Home / 16,774.80-23,165.76-15,200.16

Finding the Fourth Proportional to 16,774.80, 23,165.76 and 15,200.16

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Solution

The fourth proportional to 16,774.80, 23,165.76 and 15,200.16 is: 20,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.80 : 23,165.76 = 15,200.16 : x
  2. Step 2: Convert to fraction form
    16,774.80/23,165.76 = 15,200.16/x
  3. Step 3: Cross multiply
    16,774.80x = 23,165.76 × 15,200.16
  4. Step 4: Simplify right side
    16,774.80x = 352,123,258.52
  5. Step 5: Solve for x
    x = 352,123,258.52/16,774.80
  6. Step 6: Final answer
    x = 20,991.20

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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.