Home / 27,764.60-38,314.66-17,007.80

Finding the Fourth Proportional to 27,764.60, 38,314.66 and 17,007.80

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Solution

The fourth proportional to 27,764.60, 38,314.66 and 17,007.80 is: 23,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,764.60 : 38,314.66 = 17,007.80 : x
  2. Step 2: Convert to fraction form
    27,764.60/38,314.66 = 17,007.80/x
  3. Step 3: Cross multiply
    27,764.60x = 38,314.66 × 17,007.80
  4. Step 4: Simplify right side
    27,764.60x = 651,648,074.35
  5. Step 5: Solve for x
    x = 651,648,074.35/27,764.60
  6. Step 6: Final answer
    x = 23,470.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.