Home / 28,214.60-38,923.06-19,836.04

Finding the Fourth Proportional to 28,214.60, 38,923.06 and 19,836.04

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Solution

The fourth proportional to 28,214.60, 38,923.06 and 19,836.04 is: 27,364.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214.60 : 38,923.06 = 19,836.04 : x
  2. Step 2: Convert to fraction form
    28,214.60/38,923.06 = 19,836.04/x
  3. Step 3: Cross multiply
    28,214.60x = 38,923.06 × 19,836.04
  4. Step 4: Simplify right side
    28,214.60x = 772,079,375.08
  5. Step 5: Solve for x
    x = 772,079,375.08/28,214.60
  6. Step 6: Final answer
    x = 27,364.53

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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.