Home / 18,675.07-25,763.43-12,293.44

Finding the Fourth Proportional to 18,675.07, 25,763.43 and 12,293.44

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Solution

The fourth proportional to 18,675.07, 25,763.43 and 12,293.44 is: 16,959.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.07 : 25,763.43 = 12,293.44 : x
  2. Step 2: Convert to fraction form
    18,675.07/25,763.43 = 12,293.44/x
  3. Step 3: Cross multiply
    18,675.07x = 25,763.43 × 12,293.44
  4. Step 4: Simplify right side
    18,675.07x = 316,721,180.90
  5. Step 5: Solve for x
    x = 316,721,180.90/18,675.07
  6. Step 6: Final answer
    x = 16,959.57

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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.