Home / 18,890.72-26,055.94-16,368.36

Finding the Fourth Proportional to 18,890.72, 26,055.94 and 16,368.36

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Solution

The fourth proportional to 18,890.72, 26,055.94 and 16,368.36 is: 22,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890.72 : 26,055.94 = 16,368.36 : x
  2. Step 2: Convert to fraction form
    18,890.72/26,055.94 = 16,368.36/x
  3. Step 3: Cross multiply
    18,890.72x = 26,055.94 × 16,368.36
  4. Step 4: Simplify right side
    18,890.72x = 426,493,006.06
  5. Step 5: Solve for x
    x = 426,493,006.06/18,890.72
  6. Step 6: Final answer
    x = 22,576.85

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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.