Home / 15,219.48-22,831.04-6,453.25

Finding the Fourth Proportional to 15,219.48, 22,831.04 and 6,453.25

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Solution

The fourth proportional to 15,219.48, 22,831.04 and 6,453.25 is: 9,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219.48 : 22,831.04 = 6,453.25 : x
  2. Step 2: Convert to fraction form
    15,219.48/22,831.04 = 6,453.25/x
  3. Step 3: Cross multiply
    15,219.48x = 22,831.04 × 6,453.25
  4. Step 4: Simplify right side
    15,219.48x = 147,334,408.88
  5. Step 5: Solve for x
    x = 147,334,408.88/15,219.48
  6. Step 6: Final answer
    x = 9,680.65

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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.