Home / 20,276.45-27,966.09-17,448.54

Finding the Fourth Proportional to 20,276.45, 27,966.09 and 17,448.54

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Solution

The fourth proportional to 20,276.45, 27,966.09 and 17,448.54 is: 24,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.45 : 27,966.09 = 17,448.54 : x
  2. Step 2: Convert to fraction form
    20,276.45/27,966.09 = 17,448.54/x
  3. Step 3: Cross multiply
    20,276.45x = 27,966.09 × 17,448.54
  4. Step 4: Simplify right side
    20,276.45x = 487,967,407.29
  5. Step 5: Solve for x
    x = 487,967,407.29/20,276.45
  6. Step 6: Final answer
    x = 24,065.72

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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.