Home / 17,470.80-26,244.60-12,286.80

Finding the Fourth Proportional to 17,470.80, 26,244.60 and 12,286.80

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Solution

The fourth proportional to 17,470.80, 26,244.60 and 12,286.80 is: 18,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,470.80 : 26,244.60 = 12,286.80 : x
  2. Step 2: Convert to fraction form
    17,470.80/26,244.60 = 12,286.80/x
  3. Step 3: Cross multiply
    17,470.80x = 26,244.60 × 12,286.80
  4. Step 4: Simplify right side
    17,470.80x = 322,462,151.28
  5. Step 5: Solve for x
    x = 322,462,151.28/17,470.80
  6. Step 6: Final answer
    x = 18,457.21

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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.