Home / 16,181.81-22,337.78-10,879.70

Finding the Fourth Proportional to 16,181.81, 22,337.78 and 10,879.70

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Solution

The fourth proportional to 16,181.81, 22,337.78 and 10,879.70 is: 15,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,181.81 : 22,337.78 = 10,879.70 : x
  2. Step 2: Convert to fraction form
    16,181.81/22,337.78 = 10,879.70/x
  3. Step 3: Cross multiply
    16,181.81x = 22,337.78 × 10,879.70
  4. Step 4: Simplify right side
    16,181.81x = 243,028,345.07
  5. Step 5: Solve for x
    x = 243,028,345.07/16,181.81
  6. Step 6: Final answer
    x = 15,018.61

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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.