Home / 20,177.46-27,844.48-11,224.77

Finding the Fourth Proportional to 20,177.46, 27,844.48 and 11,224.77

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Solution

The fourth proportional to 20,177.46, 27,844.48 and 11,224.77 is: 15,489.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.46 : 27,844.48 = 11,224.77 : x
  2. Step 2: Convert to fraction form
    20,177.46/27,844.48 = 11,224.77/x
  3. Step 3: Cross multiply
    20,177.46x = 27,844.48 × 11,224.77
  4. Step 4: Simplify right side
    20,177.46x = 312,547,855.71
  5. Step 5: Solve for x
    x = 312,547,855.71/20,177.46
  6. Step 6: Final answer
    x = 15,489.95

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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.