Home / 26,105.76-36,012.60-16,664.40

Finding the Fourth Proportional to 26,105.76, 36,012.60 and 16,664.40

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Solution

The fourth proportional to 26,105.76, 36,012.60 and 16,664.40 is: 22,988.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.76 : 36,012.60 = 16,664.40 : x
  2. Step 2: Convert to fraction form
    26,105.76/36,012.60 = 16,664.40/x
  3. Step 3: Cross multiply
    26,105.76x = 36,012.60 × 16,664.40
  4. Step 4: Simplify right side
    26,105.76x = 600,128,371.44
  5. Step 5: Solve for x
    x = 600,128,371.44/26,105.76
  6. Step 6: Final answer
    x = 22,988.35

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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.