Home / 26,662.10-39,979.72-8,886.46

Finding the Fourth Proportional to 26,662.10, 39,979.72 and 8,886.46

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Solution

The fourth proportional to 26,662.10, 39,979.72 and 8,886.46 is: 13,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662.10 : 39,979.72 = 8,886.46 : x
  2. Step 2: Convert to fraction form
    26,662.10/39,979.72 = 8,886.46/x
  3. Step 3: Cross multiply
    26,662.10x = 39,979.72 × 8,886.46
  4. Step 4: Simplify right side
    26,662.10x = 355,278,182.59
  5. Step 5: Solve for x
    x = 355,278,182.59/26,662.10
  6. Step 6: Final answer
    x = 13,325.21

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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.