Home / 15,735.20-23,603.90-5,204.79

Finding the Fourth Proportional to 15,735.20, 23,603.90 and 5,204.79

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Solution

The fourth proportional to 15,735.20, 23,603.90 and 5,204.79 is: 7,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,735.20 : 23,603.90 = 5,204.79 : x
  2. Step 2: Convert to fraction form
    15,735.20/23,603.90 = 5,204.79/x
  3. Step 3: Cross multiply
    15,735.20x = 23,603.90 × 5,204.79
  4. Step 4: Simplify right side
    15,735.20x = 122,853,316.66
  5. Step 5: Solve for x
    x = 122,853,316.66/15,735.20
  6. Step 6: Final answer
    x = 7,807.55

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1.5x scale

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.