Home / 26,313.60-39,470.40-22,231.20

Finding the Fourth Proportional to 26,313.60, 39,470.40 and 22,231.20

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Solution

The fourth proportional to 26,313.60, 39,470.40 and 22,231.20 is: 33,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,313.60 : 39,470.40 = 22,231.20 : x
  2. Step 2: Convert to fraction form
    26,313.60/39,470.40 = 22,231.20/x
  3. Step 3: Cross multiply
    26,313.60x = 39,470.40 × 22,231.20
  4. Step 4: Simplify right side
    26,313.60x = 877,474,356.48
  5. Step 5: Solve for x
    x = 877,474,356.48/26,313.60
  6. Step 6: Final answer
    x = 33,346.80

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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.