Home / 20,039.10-27,641.88-13,233.17

Finding the Fourth Proportional to 20,039.10, 27,641.88 and 13,233.17

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Solution

The fourth proportional to 20,039.10, 27,641.88 and 13,233.17 is: 18,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.10 : 27,641.88 = 13,233.17 : x
  2. Step 2: Convert to fraction form
    20,039.10/27,641.88 = 13,233.17/x
  3. Step 3: Cross multiply
    20,039.10x = 27,641.88 × 13,233.17
  4. Step 4: Simplify right side
    20,039.10x = 365,789,803.48
  5. Step 5: Solve for x
    x = 365,789,803.48/20,039.10
  6. Step 6: Final answer
    x = 18,253.81

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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.