Home / 26,966.90-40,439.55-9,427.70

Finding the Fourth Proportional to 26,966.90, 40,439.55 and 9,427.70

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Solution

The fourth proportional to 26,966.90, 40,439.55 and 9,427.70 is: 14,137.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,966.90 : 40,439.55 = 9,427.70 : x
  2. Step 2: Convert to fraction form
    26,966.90/40,439.55 = 9,427.70/x
  3. Step 3: Cross multiply
    26,966.90x = 40,439.55 × 9,427.70
  4. Step 4: Simplify right side
    26,966.90x = 381,251,945.54
  5. Step 5: Solve for x
    x = 381,251,945.54/26,966.90
  6. Step 6: Final answer
    x = 14,137.77

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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.