Home / 15,672.81-23,512.26-4,579.55

Finding the Fourth Proportional to 15,672.81, 23,512.26 and 4,579.55

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Solution

The fourth proportional to 15,672.81, 23,512.26 and 4,579.55 is: 6,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.81 : 23,512.26 = 4,579.55 : x
  2. Step 2: Convert to fraction form
    15,672.81/23,512.26 = 4,579.55/x
  3. Step 3: Cross multiply
    15,672.81x = 23,512.26 × 4,579.55
  4. Step 4: Simplify right side
    15,672.81x = 107,675,570.28
  5. Step 5: Solve for x
    x = 107,675,570.28/15,672.81
  6. Step 6: Final answer
    x = 6,870.21

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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.