Home / 14,239.48-21,351.22-5,913.89

Finding the Fourth Proportional to 14,239.48, 21,351.22 and 5,913.89

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Solution

The fourth proportional to 14,239.48, 21,351.22 and 5,913.89 is: 8,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.48 : 21,351.22 = 5,913.89 : x
  2. Step 2: Convert to fraction form
    14,239.48/21,351.22 = 5,913.89/x
  3. Step 3: Cross multiply
    14,239.48x = 21,351.22 × 5,913.89
  4. Step 4: Simplify right side
    14,239.48x = 126,268,766.45
  5. Step 5: Solve for x
    x = 126,268,766.45/14,239.48
  6. Step 6: Final answer
    x = 8,867.51

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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.