Home / 13,566.94-20,350.68-8,916.60

Finding the Fourth Proportional to 13,566.94, 20,350.68 and 8,916.60

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Solution

The fourth proportional to 13,566.94, 20,350.68 and 8,916.60 is: 13,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.94 : 20,350.68 = 8,916.60 : x
  2. Step 2: Convert to fraction form
    13,566.94/20,350.68 = 8,916.60/x
  3. Step 3: Cross multiply
    13,566.94x = 20,350.68 × 8,916.60
  4. Step 4: Simplify right side
    13,566.94x = 181,458,873.29
  5. Step 5: Solve for x
    x = 181,458,873.29/13,566.94
  6. Step 6: Final answer
    x = 13,375.08

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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.