Home / 26,889.66-37,105.35-15,709.50

Finding the Fourth Proportional to 26,889.66, 37,105.35 and 15,709.50

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Solution

The fourth proportional to 26,889.66, 37,105.35 and 15,709.50 is: 21,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889.66 : 37,105.35 = 15,709.50 : x
  2. Step 2: Convert to fraction form
    26,889.66/37,105.35 = 15,709.50/x
  3. Step 3: Cross multiply
    26,889.66x = 37,105.35 × 15,709.50
  4. Step 4: Simplify right side
    26,889.66x = 582,906,495.83
  5. Step 5: Solve for x
    x = 582,906,495.83/26,889.66
  6. Step 6: Final answer
    x = 21,677.72

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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.