Home / 15,135.44-22,703.16-4,748

Finding the Fourth Proportional to 15,135.44, 22,703.16 and 4,748

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Solution

The fourth proportional to 15,135.44, 22,703.16 and 4,748 is: 7,122.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.44 : 22,703.16 = 4,748 : x
  2. Step 2: Convert to fraction form
    15,135.44/22,703.16 = 4,748/x
  3. Step 3: Cross multiply
    15,135.44x = 22,703.16 × 4,748
  4. Step 4: Simplify right side
    15,135.44x = 107,794,603.68
  5. Step 5: Solve for x
    x = 107,794,603.68/15,135.44
  6. Step 6: Final answer
    x = 7,122.00

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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.