Home / 14,081.43-19,430.66-11,217.45

Finding the Fourth Proportional to 14,081.43, 19,430.66 and 11,217.45

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Solution

The fourth proportional to 14,081.43, 19,430.66 and 11,217.45 is: 15,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.43 : 19,430.66 = 11,217.45 : x
  2. Step 2: Convert to fraction form
    14,081.43/19,430.66 = 11,217.45/x
  3. Step 3: Cross multiply
    14,081.43x = 19,430.66 × 11,217.45
  4. Step 4: Simplify right side
    14,081.43x = 217,962,438.07
  5. Step 5: Solve for x
    x = 217,962,438.07/14,081.43
  6. Step 6: Final answer
    x = 15,478.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.