Home / 15,747.76-23,622.90-5,217.36

Finding the Fourth Proportional to 15,747.76, 23,622.90 and 5,217.36

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Solution

The fourth proportional to 15,747.76, 23,622.90 and 5,217.36 is: 7,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.76 : 23,622.90 = 5,217.36 : x
  2. Step 2: Convert to fraction form
    15,747.76/23,622.90 = 5,217.36/x
  3. Step 3: Cross multiply
    15,747.76x = 23,622.90 × 5,217.36
  4. Step 4: Simplify right side
    15,747.76x = 123,249,173.54
  5. Step 5: Solve for x
    x = 123,249,173.54/15,747.76
  6. Step 6: Final answer
    x = 7,826.46

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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.