Home / 15,865.72-23,799.76-4,771.52

Finding the Fourth Proportional to 15,865.72, 23,799.76 and 4,771.52

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Solution

The fourth proportional to 15,865.72, 23,799.76 and 4,771.52 is: 7,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.72 : 23,799.76 = 4,771.52 : x
  2. Step 2: Convert to fraction form
    15,865.72/23,799.76 = 4,771.52/x
  3. Step 3: Cross multiply
    15,865.72x = 23,799.76 × 4,771.52
  4. Step 4: Simplify right side
    15,865.72x = 113,561,030.84
  5. Step 5: Solve for x
    x = 113,561,030.84/15,865.72
  6. Step 6: Final answer
    x = 7,157.63

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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.