Home / 12,568.05-18,834.30-9,923.91

Finding the Fourth Proportional to 12,568.05, 18,834.30 and 9,923.91

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Solution

The fourth proportional to 12,568.05, 18,834.30 and 9,923.91 is: 14,871.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.05 : 18,834.30 = 9,923.91 : x
  2. Step 2: Convert to fraction form
    12,568.05/18,834.30 = 9,923.91/x
  3. Step 3: Cross multiply
    12,568.05x = 18,834.30 × 9,923.91
  4. Step 4: Simplify right side
    12,568.05x = 186,909,898.11
  5. Step 5: Solve for x
    x = 186,909,898.11/12,568.05
  6. Step 6: Final answer
    x = 14,871.83

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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.