Home / 26,789.13-40,179.74-7,069.07

Finding the Fourth Proportional to 26,789.13, 40,179.74 and 7,069.07

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Solution

The fourth proportional to 26,789.13, 40,179.74 and 7,069.07 is: 10,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,789.13 : 40,179.74 = 7,069.07 : x
  2. Step 2: Convert to fraction form
    26,789.13/40,179.74 = 7,069.07/x
  3. Step 3: Cross multiply
    26,789.13x = 40,179.74 × 7,069.07
  4. Step 4: Simplify right side
    26,789.13x = 284,033,158.40
  5. Step 5: Solve for x
    x = 284,033,158.40/26,789.13
  6. Step 6: Final answer
    x = 10,602.55

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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.