Home / 13,568.30-20,383.66-9,574.88

Finding the Fourth Proportional to 13,568.30, 20,383.66 and 9,574.88

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Solution

The fourth proportional to 13,568.30, 20,383.66 and 9,574.88 is: 14,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.30 : 20,383.66 = 9,574.88 : x
  2. Step 2: Convert to fraction form
    13,568.30/20,383.66 = 9,574.88/x
  3. Step 3: Cross multiply
    13,568.30x = 20,383.66 × 9,574.88
  4. Step 4: Simplify right side
    13,568.30x = 195,171,098.46
  5. Step 5: Solve for x
    x = 195,171,098.46/13,568.30
  6. Step 6: Final answer
    x = 14,384.34

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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.