Home / 16,518.57-22,803.38-11,076.90

Finding the Fourth Proportional to 16,518.57, 22,803.38 and 11,076.90

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Solution

The fourth proportional to 16,518.57, 22,803.38 and 11,076.90 is: 15,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518.57 : 22,803.38 = 11,076.90 : x
  2. Step 2: Convert to fraction form
    16,518.57/22,803.38 = 11,076.90/x
  3. Step 3: Cross multiply
    16,518.57x = 22,803.38 × 11,076.90
  4. Step 4: Simplify right side
    16,518.57x = 252,590,590.52
  5. Step 5: Solve for x
    x = 252,590,590.52/16,518.57
  6. Step 6: Final answer
    x = 15,291.32

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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.