Home / 20,001.96-27,602.22-11,050.32

Finding the Fourth Proportional to 20,001.96, 27,602.22 and 11,050.32

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Solution

The fourth proportional to 20,001.96, 27,602.22 and 11,050.32 is: 15,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.96 : 27,602.22 = 11,050.32 : x
  2. Step 2: Convert to fraction form
    20,001.96/27,602.22 = 11,050.32/x
  3. Step 3: Cross multiply
    20,001.96x = 27,602.22 × 11,050.32
  4. Step 4: Simplify right side
    20,001.96x = 305,013,363.71
  5. Step 5: Solve for x
    x = 305,013,363.71/20,001.96
  6. Step 6: Final answer
    x = 15,249.17

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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.