Home / 27,736.44-38,276.26-14,989.61

Finding the Fourth Proportional to 27,736.44, 38,276.26 and 14,989.61

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Solution

The fourth proportional to 27,736.44, 38,276.26 and 14,989.61 is: 20,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.44 : 38,276.26 = 14,989.61 : x
  2. Step 2: Convert to fraction form
    27,736.44/38,276.26 = 14,989.61/x
  3. Step 3: Cross multiply
    27,736.44x = 38,276.26 × 14,989.61
  4. Step 4: Simplify right side
    27,736.44x = 573,746,134.71
  5. Step 5: Solve for x
    x = 573,746,134.71/27,736.44
  6. Step 6: Final answer
    x = 20,685.65

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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.