Home / 14,512.53-21,768.35-4,124.28

Finding the Fourth Proportional to 14,512.53, 21,768.35 and 4,124.28

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Solution

The fourth proportional to 14,512.53, 21,768.35 and 4,124.28 is: 6,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.53 : 21,768.35 = 4,124.28 : x
  2. Step 2: Convert to fraction form
    14,512.53/21,768.35 = 4,124.28/x
  3. Step 3: Cross multiply
    14,512.53x = 21,768.35 × 4,124.28
  4. Step 4: Simplify right side
    14,512.53x = 89,778,831.55
  5. Step 5: Solve for x
    x = 89,778,831.55/14,512.53
  6. Step 6: Final answer
    x = 6,186.30

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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.