Home / 15,865.88-23,801.24-4,772.32

Finding the Fourth Proportional to 15,865.88, 23,801.24 and 4,772.32

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Solution

The fourth proportional to 15,865.88, 23,801.24 and 4,772.32 is: 7,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.88 : 23,801.24 = 4,772.32 : x
  2. Step 2: Convert to fraction form
    15,865.88/23,801.24 = 4,772.32/x
  3. Step 3: Cross multiply
    15,865.88x = 23,801.24 × 4,772.32
  4. Step 4: Simplify right side
    15,865.88x = 113,587,086.10
  5. Step 5: Solve for x
    x = 113,587,086.10/15,865.88
  6. Step 6: Final answer
    x = 7,159.21

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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.