Home / 20,446.11-30,665.52-9,353.16

Finding the Fourth Proportional to 20,446.11, 30,665.52 and 9,353.16

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Solution

The fourth proportional to 20,446.11, 30,665.52 and 9,353.16 is: 14,028.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.11 : 30,665.52 = 9,353.16 : x
  2. Step 2: Convert to fraction form
    20,446.11/30,665.52 = 9,353.16/x
  3. Step 3: Cross multiply
    20,446.11x = 30,665.52 × 9,353.16
  4. Step 4: Simplify right side
    20,446.11x = 286,819,515.04
  5. Step 5: Solve for x
    x = 286,819,515.04/20,446.11
  6. Step 6: Final answer
    x = 14,028.07

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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.