Home / 20,066.05-30,081.14-9,529.57

Finding the Fourth Proportional to 20,066.05, 30,081.14 and 9,529.57

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Solution

The fourth proportional to 20,066.05, 30,081.14 and 9,529.57 is: 14,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.05 : 30,081.14 = 9,529.57 : x
  2. Step 2: Convert to fraction form
    20,066.05/30,081.14 = 9,529.57/x
  3. Step 3: Cross multiply
    20,066.05x = 30,081.14 × 9,529.57
  4. Step 4: Simplify right side
    20,066.05x = 286,660,131.26
  5. Step 5: Solve for x
    x = 286,660,131.26/20,066.05
  6. Step 6: Final answer
    x = 14,285.83

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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.