Home / 20,064.16-27,687.62-11,110.96

Finding the Fourth Proportional to 20,064.16, 27,687.62 and 11,110.96

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Solution

The fourth proportional to 20,064.16, 27,687.62 and 11,110.96 is: 15,332.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.16 : 27,687.62 = 11,110.96 : x
  2. Step 2: Convert to fraction form
    20,064.16/27,687.62 = 11,110.96/x
  3. Step 3: Cross multiply
    20,064.16x = 27,687.62 × 11,110.96
  4. Step 4: Simplify right side
    20,064.16x = 307,636,038.32
  5. Step 5: Solve for x
    x = 307,636,038.32/20,064.16
  6. Step 6: Final answer
    x = 15,332.61

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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.