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Finding the Fourth Proportional to 26,190, 36,148.68 and 16,124.94

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Solution

The fourth proportional to 26,190, 36,148.68 and 16,124.94 is: 22,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190 : 36,148.68 = 16,124.94 : x
  2. Step 2: Convert to fraction form
    26,190/36,148.68 = 16,124.94/x
  3. Step 3: Cross multiply
    26,190x = 36,148.68 × 16,124.94
  4. Step 4: Simplify right side
    26,190x = 582,895,296.08
  5. Step 5: Solve for x
    x = 582,895,296.08/26,190
  6. Step 6: Final answer
    x = 22,256.41

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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.