Home / 23,142.69-34,709.64-11,284.56

Finding the Fourth Proportional to 23,142.69, 34,709.64 and 11,284.56

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Solution

The fourth proportional to 23,142.69, 34,709.64 and 11,284.56 is: 16,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,142.69 : 34,709.64 = 11,284.56 : x
  2. Step 2: Convert to fraction form
    23,142.69/34,709.64 = 11,284.56/x
  3. Step 3: Cross multiply
    23,142.69x = 34,709.64 × 11,284.56
  4. Step 4: Simplify right side
    23,142.69x = 391,683,015.16
  5. Step 5: Solve for x
    x = 391,683,015.16/23,142.69
  6. Step 6: Final answer
    x = 16,924.70

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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.