Home / 12,831.72-19,245.98-3,598.44

Finding the Fourth Proportional to 12,831.72, 19,245.98 and 3,598.44

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Solution

The fourth proportional to 12,831.72, 19,245.98 and 3,598.44 is: 5,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.72 : 19,245.98 = 3,598.44 : x
  2. Step 2: Convert to fraction form
    12,831.72/19,245.98 = 3,598.44/x
  3. Step 3: Cross multiply
    12,831.72x = 19,245.98 × 3,598.44
  4. Step 4: Simplify right side
    12,831.72x = 69,255,504.27
  5. Step 5: Solve for x
    x = 69,255,504.27/12,831.72
  6. Step 6: Final answer
    x = 5,397.21

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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.