Home / 14,046.89-20,948.22-13,858.56

Finding the Fourth Proportional to 14,046.89, 20,948.22 and 13,858.56

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Solution

The fourth proportional to 14,046.89, 20,948.22 and 13,858.56 is: 20,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.89 : 20,948.22 = 13,858.56 : x
  2. Step 2: Convert to fraction form
    14,046.89/20,948.22 = 13,858.56/x
  3. Step 3: Cross multiply
    14,046.89x = 20,948.22 × 13,858.56
  4. Step 4: Simplify right side
    14,046.89x = 290,312,163.76
  5. Step 5: Solve for x
    x = 290,312,163.76/14,046.89
  6. Step 6: Final answer
    x = 20,667.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.