Home / 20,264.74-27,966.75-11,314

Finding the Fourth Proportional to 20,264.74, 27,966.75 and 11,314

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Solution

The fourth proportional to 20,264.74, 27,966.75 and 11,314 is: 15,614.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.74 : 27,966.75 = 11,314 : x
  2. Step 2: Convert to fraction form
    20,264.74/27,966.75 = 11,314/x
  3. Step 3: Cross multiply
    20,264.74x = 27,966.75 × 11,314
  4. Step 4: Simplify right side
    20,264.74x = 316,415,809.50
  5. Step 5: Solve for x
    x = 316,415,809.50/20,264.74
  6. Step 6: Final answer
    x = 15,614.11

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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.