Home / 17,182.17-23,711.25-15,771.56

Finding the Fourth Proportional to 17,182.17, 23,711.25 and 15,771.56

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Solution

The fourth proportional to 17,182.17, 23,711.25 and 15,771.56 is: 21,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,182.17 : 23,711.25 = 15,771.56 : x
  2. Step 2: Convert to fraction form
    17,182.17/23,711.25 = 15,771.56/x
  3. Step 3: Cross multiply
    17,182.17x = 23,711.25 × 15,771.56
  4. Step 4: Simplify right side
    17,182.17x = 373,963,283.49
  5. Step 5: Solve for x
    x = 373,963,283.49/17,182.17
  6. Step 6: Final answer
    x = 21,764.61

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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.