Home / 20,061.32-27,684.43-11,560.32

Finding the Fourth Proportional to 20,061.32, 27,684.43 and 11,560.32

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Solution

The fourth proportional to 20,061.32, 27,684.43 and 11,560.32 is: 15,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.32 : 27,684.43 = 11,560.32 : x
  2. Step 2: Convert to fraction form
    20,061.32/27,684.43 = 11,560.32/x
  3. Step 3: Cross multiply
    20,061.32x = 27,684.43 × 11,560.32
  4. Step 4: Simplify right side
    20,061.32x = 320,040,905.94
  5. Step 5: Solve for x
    x = 320,040,905.94/20,061.32
  6. Step 6: Final answer
    x = 15,953.13

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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.