Home / 28,233.06-38,968.71-19,173.75

Finding the Fourth Proportional to 28,233.06, 38,968.71 and 19,173.75

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Solution

The fourth proportional to 28,233.06, 38,968.71 and 19,173.75 is: 26,464.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.06 : 38,968.71 = 19,173.75 : x
  2. Step 2: Convert to fraction form
    28,233.06/38,968.71 = 19,173.75/x
  3. Step 3: Cross multiply
    28,233.06x = 38,968.71 × 19,173.75
  4. Step 4: Simplify right side
    28,233.06x = 747,176,304.53
  5. Step 5: Solve for x
    x = 747,176,304.53/28,233.06
  6. Step 6: Final answer
    x = 26,464.59

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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.