Home / 16,022.49-22,112.92-13,328.96

Finding the Fourth Proportional to 16,022.49, 22,112.92 and 13,328.96

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Solution

The fourth proportional to 16,022.49, 22,112.92 and 13,328.96 is: 18,395.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,022.49 : 22,112.92 = 13,328.96 : x
  2. Step 2: Convert to fraction form
    16,022.49/22,112.92 = 13,328.96/x
  3. Step 3: Cross multiply
    16,022.49x = 22,112.92 × 13,328.96
  4. Step 4: Simplify right side
    16,022.49x = 294,742,115.60
  5. Step 5: Solve for x
    x = 294,742,115.60/16,022.49
  6. Step 6: Final answer
    x = 18,395.53

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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.