Home / 14,151.33-21,231.21-5,713.47

Finding the Fourth Proportional to 14,151.33, 21,231.21 and 5,713.47

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Solution

The fourth proportional to 14,151.33, 21,231.21 and 5,713.47 is: 8,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.33 : 21,231.21 = 5,713.47 : x
  2. Step 2: Convert to fraction form
    14,151.33/21,231.21 = 5,713.47/x
  3. Step 3: Cross multiply
    14,151.33x = 21,231.21 × 5,713.47
  4. Step 4: Simplify right side
    14,151.33x = 121,303,881.40
  5. Step 5: Solve for x
    x = 121,303,881.40/14,151.33
  6. Step 6: Final answer
    x = 8,571.91

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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.