Home / 15,102.21-22,648.69-7,200.56

Finding the Fourth Proportional to 15,102.21, 22,648.69 and 7,200.56

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Solution

The fourth proportional to 15,102.21, 22,648.69 and 7,200.56 is: 10,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.21 : 22,648.69 = 7,200.56 : x
  2. Step 2: Convert to fraction form
    15,102.21/22,648.69 = 7,200.56/x
  3. Step 3: Cross multiply
    15,102.21x = 22,648.69 × 7,200.56
  4. Step 4: Simplify right side
    15,102.21x = 163,083,102.02
  5. Step 5: Solve for x
    x = 163,083,102.02/15,102.21
  6. Step 6: Final answer
    x = 10,798.62

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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.