Home / 13,566.93-20,356.25-7,325.70

Finding the Fourth Proportional to 13,566.93, 20,356.25 and 7,325.70

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Solution

The fourth proportional to 13,566.93, 20,356.25 and 7,325.70 is: 10,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.93 : 20,356.25 = 7,325.70 : x
  2. Step 2: Convert to fraction form
    13,566.93/20,356.25 = 7,325.70/x
  3. Step 3: Cross multiply
    13,566.93x = 20,356.25 × 7,325.70
  4. Step 4: Simplify right side
    13,566.93x = 149,123,780.63
  5. Step 5: Solve for x
    x = 149,123,780.63/13,566.93
  6. Step 6: Final answer
    x = 10,991.71

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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.