Home / 14,008.83-20,999.07-9,081.60

Finding the Fourth Proportional to 14,008.83, 20,999.07 and 9,081.60

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Solution

The fourth proportional to 14,008.83, 20,999.07 and 9,081.60 is: 13,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.83 : 20,999.07 = 9,081.60 : x
  2. Step 2: Convert to fraction form
    14,008.83/20,999.07 = 9,081.60/x
  3. Step 3: Cross multiply
    14,008.83x = 20,999.07 × 9,081.60
  4. Step 4: Simplify right side
    14,008.83x = 190,705,154.11
  5. Step 5: Solve for x
    x = 190,705,154.11/14,008.83
  6. Step 6: Final answer
    x = 13,613.21

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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.