Home / 20,204.71-30,305.16-9,528.59

Finding the Fourth Proportional to 20,204.71, 30,305.16 and 9,528.59

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Solution

The fourth proportional to 20,204.71, 30,305.16 and 9,528.59 is: 14,291.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.71 : 30,305.16 = 9,528.59 : x
  2. Step 2: Convert to fraction form
    20,204.71/30,305.16 = 9,528.59/x
  3. Step 3: Cross multiply
    20,204.71x = 30,305.16 × 9,528.59
  4. Step 4: Simplify right side
    20,204.71x = 288,765,544.11
  5. Step 5: Solve for x
    x = 288,765,544.11/20,204.71
  6. Step 6: Final answer
    x = 14,291.99

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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.