Home / 22,269.69-30,710.97-13,315.77

Finding the Fourth Proportional to 22,269.69, 30,710.97 and 13,315.77

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Solution

The fourth proportional to 22,269.69, 30,710.97 and 13,315.77 is: 18,363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.69 : 30,710.97 = 13,315.77 : x
  2. Step 2: Convert to fraction form
    22,269.69/30,710.97 = 13,315.77/x
  3. Step 3: Cross multiply
    22,269.69x = 30,710.97 × 13,315.77
  4. Step 4: Simplify right side
    22,269.69x = 408,940,213.00
  5. Step 5: Solve for x
    x = 408,940,213.00/22,269.69
  6. Step 6: Final answer
    x = 18,363.09

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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.