Home / 14,112.09-21,168.44-4,752.39

Finding the Fourth Proportional to 14,112.09, 21,168.44 and 4,752.39

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Solution

The fourth proportional to 14,112.09, 21,168.44 and 4,752.39 is: 7,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.09 : 21,168.44 = 4,752.39 : x
  2. Step 2: Convert to fraction form
    14,112.09/21,168.44 = 4,752.39/x
  3. Step 3: Cross multiply
    14,112.09x = 21,168.44 × 4,752.39
  4. Step 4: Simplify right side
    14,112.09x = 100,600,658.81
  5. Step 5: Solve for x
    x = 100,600,658.81/14,112.09
  6. Step 6: Final answer
    x = 7,128.69

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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.