Home / 14,548.60-21,831.54-5,781.16

Finding the Fourth Proportional to 14,548.60, 21,831.54 and 5,781.16

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Solution

The fourth proportional to 14,548.60, 21,831.54 and 5,781.16 is: 8,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.60 : 21,831.54 = 5,781.16 : x
  2. Step 2: Convert to fraction form
    14,548.60/21,831.54 = 5,781.16/x
  3. Step 3: Cross multiply
    14,548.60x = 21,831.54 × 5,781.16
  4. Step 4: Simplify right side
    14,548.60x = 126,211,625.79
  5. Step 5: Solve for x
    x = 126,211,625.79/14,548.60
  6. Step 6: Final answer
    x = 8,675.17

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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.