Home / 18,896.17-28,340.46-17,959.45

Finding the Fourth Proportional to 18,896.17, 28,340.46 and 17,959.45

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Solution

The fourth proportional to 18,896.17, 28,340.46 and 17,959.45 is: 26,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.17 : 28,340.46 = 17,959.45 : x
  2. Step 2: Convert to fraction form
    18,896.17/28,340.46 = 17,959.45/x
  3. Step 3: Cross multiply
    18,896.17x = 28,340.46 × 17,959.45
  4. Step 4: Simplify right side
    18,896.17x = 508,979,074.35
  5. Step 5: Solve for x
    x = 508,979,074.35/18,896.17
  6. Step 6: Final answer
    x = 26,935.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.