Home / 16,558.11-22,838.63-11,243.70

Finding the Fourth Proportional to 16,558.11, 22,838.63 and 11,243.70

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Solution

The fourth proportional to 16,558.11, 22,838.63 and 11,243.70 is: 15,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,558.11 : 22,838.63 = 11,243.70 : x
  2. Step 2: Convert to fraction form
    16,558.11/22,838.63 = 11,243.70/x
  3. Step 3: Cross multiply
    16,558.11x = 22,838.63 × 11,243.70
  4. Step 4: Simplify right side
    16,558.11x = 256,790,647.91
  5. Step 5: Solve for x
    x = 256,790,647.91/16,558.11
  6. Step 6: Final answer
    x = 15,508.45

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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.