Home / 14,837.09-20,475.42-8,122.60

Finding the Fourth Proportional to 14,837.09, 20,475.42 and 8,122.60

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Solution

The fourth proportional to 14,837.09, 20,475.42 and 8,122.60 is: 11,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837.09 : 20,475.42 = 8,122.60 : x
  2. Step 2: Convert to fraction form
    14,837.09/20,475.42 = 8,122.60/x
  3. Step 3: Cross multiply
    14,837.09x = 20,475.42 × 8,122.60
  4. Step 4: Simplify right side
    14,837.09x = 166,313,595.30
  5. Step 5: Solve for x
    x = 166,313,595.30/14,837.09
  6. Step 6: Final answer
    x = 11,209.32

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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.