Home / 26,679.74-36,835.20-17,123.76

Finding the Fourth Proportional to 26,679.74, 36,835.20 and 17,123.76

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Solution

The fourth proportional to 26,679.74, 36,835.20 and 17,123.76 is: 23,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.74 : 36,835.20 = 17,123.76 : x
  2. Step 2: Convert to fraction form
    26,679.74/36,835.20 = 17,123.76/x
  3. Step 3: Cross multiply
    26,679.74x = 36,835.20 × 17,123.76
  4. Step 4: Simplify right side
    26,679.74x = 630,757,124.35
  5. Step 5: Solve for x
    x = 630,757,124.35/26,679.74
  6. Step 6: Final answer
    x = 23,641.81

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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.