Home / 14,435.11-19,923.78-8,468.70

Finding the Fourth Proportional to 14,435.11, 19,923.78 and 8,468.70

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Solution

The fourth proportional to 14,435.11, 19,923.78 and 8,468.70 is: 11,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.11 : 19,923.78 = 8,468.70 : x
  2. Step 2: Convert to fraction form
    14,435.11/19,923.78 = 8,468.70/x
  3. Step 3: Cross multiply
    14,435.11x = 19,923.78 × 8,468.70
  4. Step 4: Simplify right side
    14,435.11x = 168,728,515.69
  5. Step 5: Solve for x
    x = 168,728,515.69/14,435.11
  6. Step 6: Final answer
    x = 11,688.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.