Home / 15,220.84-22,831.30-4,690.52

Finding the Fourth Proportional to 15,220.84, 22,831.30 and 4,690.52

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Solution

The fourth proportional to 15,220.84, 22,831.30 and 4,690.52 is: 7,035.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220.84 : 22,831.30 = 4,690.52 : x
  2. Step 2: Convert to fraction form
    15,220.84/22,831.30 = 4,690.52/x
  3. Step 3: Cross multiply
    15,220.84x = 22,831.30 × 4,690.52
  4. Step 4: Simplify right side
    15,220.84x = 107,090,589.15
  5. Step 5: Solve for x
    x = 107,090,589.15/15,220.84
  6. Step 6: Final answer
    x = 7,035.79

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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.