Home / 27,248.74-40,858.29-8,520.70

Finding the Fourth Proportional to 27,248.74, 40,858.29 and 8,520.70

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Solution

The fourth proportional to 27,248.74, 40,858.29 and 8,520.70 is: 12,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,248.74 : 40,858.29 = 8,520.70 : x
  2. Step 2: Convert to fraction form
    27,248.74/40,858.29 = 8,520.70/x
  3. Step 3: Cross multiply
    27,248.74x = 40,858.29 × 8,520.70
  4. Step 4: Simplify right side
    27,248.74x = 348,141,231.60
  5. Step 5: Solve for x
    x = 348,141,231.60/27,248.74
  6. Step 6: Final answer
    x = 12,776.42

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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.