Home / 14,117.27-21,173.47-5,231.57

Finding the Fourth Proportional to 14,117.27, 21,173.47 and 5,231.57

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Solution

The fourth proportional to 14,117.27, 21,173.47 and 5,231.57 is: 7,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.27 : 21,173.47 = 5,231.57 : x
  2. Step 2: Convert to fraction form
    14,117.27/21,173.47 = 5,231.57/x
  3. Step 3: Cross multiply
    14,117.27x = 21,173.47 × 5,231.57
  4. Step 4: Simplify right side
    14,117.27x = 110,770,371.50
  5. Step 5: Solve for x
    x = 110,770,371.50/14,117.27
  6. Step 6: Final answer
    x = 7,846.45

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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.