Home / 17,963.13-26,921.46-12,407.61

Finding the Fourth Proportional to 17,963.13, 26,921.46 and 12,407.61

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Solution

The fourth proportional to 17,963.13, 26,921.46 and 12,407.61 is: 18,595.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,963.13 : 26,921.46 = 12,407.61 : x
  2. Step 2: Convert to fraction form
    17,963.13/26,921.46 = 12,407.61/x
  3. Step 3: Cross multiply
    17,963.13x = 26,921.46 × 12,407.61
  4. Step 4: Simplify right side
    17,963.13x = 334,030,976.31
  5. Step 5: Solve for x
    x = 334,030,976.31/17,963.13
  6. Step 6: Final answer
    x = 18,595.37

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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.