Home / 19,828.62-29,750.72-8,727.53

Finding the Fourth Proportional to 19,828.62, 29,750.72 and 8,727.53

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Solution

The fourth proportional to 19,828.62, 29,750.72 and 8,727.53 is: 13,094.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.62 : 29,750.72 = 8,727.53 : x
  2. Step 2: Convert to fraction form
    19,828.62/29,750.72 = 8,727.53/x
  3. Step 3: Cross multiply
    19,828.62x = 29,750.72 × 8,727.53
  4. Step 4: Simplify right side
    19,828.62x = 259,650,152.57
  5. Step 5: Solve for x
    x = 259,650,152.57/19,828.62
  6. Step 6: Final answer
    x = 13,094.72

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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.