Home / 26,815.31-37,004.56-14,878.39

Finding the Fourth Proportional to 26,815.31, 37,004.56 and 14,878.39

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Solution

The fourth proportional to 26,815.31, 37,004.56 and 14,878.39 is: 20,531.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.31 : 37,004.56 = 14,878.39 : x
  2. Step 2: Convert to fraction form
    26,815.31/37,004.56 = 14,878.39/x
  3. Step 3: Cross multiply
    26,815.31x = 37,004.56 × 14,878.39
  4. Step 4: Simplify right side
    26,815.31x = 550,568,275.46
  5. Step 5: Solve for x
    x = 550,568,275.46/26,815.31
  6. Step 6: Final answer
    x = 20,531.86

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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.