Home / 26,890.56-37,112.40-16,280.64

Finding the Fourth Proportional to 26,890.56, 37,112.40 and 16,280.64

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Solution

The fourth proportional to 26,890.56, 37,112.40 and 16,280.64 is: 22,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.56 : 37,112.40 = 16,280.64 : x
  2. Step 2: Convert to fraction form
    26,890.56/37,112.40 = 16,280.64/x
  3. Step 3: Cross multiply
    26,890.56x = 37,112.40 × 16,280.64
  4. Step 4: Simplify right side
    26,890.56x = 604,213,623.94
  5. Step 5: Solve for x
    x = 604,213,623.94/26,890.56
  6. Step 6: Final answer
    x = 22,469.36

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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.