Home / 16,181.31-22,337.09-10,879.20

Finding the Fourth Proportional to 16,181.31, 22,337.09 and 10,879.20

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Solution

The fourth proportional to 16,181.31, 22,337.09 and 10,879.20 is: 15,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,181.31 : 22,337.09 = 10,879.20 : x
  2. Step 2: Convert to fraction form
    16,181.31/22,337.09 = 10,879.20/x
  3. Step 3: Cross multiply
    16,181.31x = 22,337.09 × 10,879.20
  4. Step 4: Simplify right side
    16,181.31x = 243,009,669.53
  5. Step 5: Solve for x
    x = 243,009,669.53/16,181.31
  6. Step 6: Final answer
    x = 15,017.92

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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.