Home / 15,871.35-23,799.33-4,775.97

Finding the Fourth Proportional to 15,871.35, 23,799.33 and 4,775.97

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Solution

The fourth proportional to 15,871.35, 23,799.33 and 4,775.97 is: 7,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871.35 : 23,799.33 = 4,775.97 : x
  2. Step 2: Convert to fraction form
    15,871.35/23,799.33 = 4,775.97/x
  3. Step 3: Cross multiply
    15,871.35x = 23,799.33 × 4,775.97
  4. Step 4: Simplify right side
    15,871.35x = 113,664,886.10
  5. Step 5: Solve for x
    x = 113,664,886.10/15,871.35
  6. Step 6: Final answer
    x = 7,161.64

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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.