Home / 14,629.61-21,930.60-13,329.56

Finding the Fourth Proportional to 14,629.61, 21,930.60 and 13,329.56

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Solution

The fourth proportional to 14,629.61, 21,930.60 and 13,329.56 is: 19,981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.61 : 21,930.60 = 13,329.56 : x
  2. Step 2: Convert to fraction form
    14,629.61/21,930.60 = 13,329.56/x
  3. Step 3: Cross multiply
    14,629.61x = 21,930.60 × 13,329.56
  4. Step 4: Simplify right side
    14,629.61x = 292,325,278.37
  5. Step 5: Solve for x
    x = 292,325,278.37/14,629.61
  6. Step 6: Final answer
    x = 19,981.75

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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.