Home / 26,123.96-39,187.41-8,356.18

Finding the Fourth Proportional to 26,123.96, 39,187.41 and 8,356.18

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Solution

The fourth proportional to 26,123.96, 39,187.41 and 8,356.18 is: 12,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.96 : 39,187.41 = 8,356.18 : x
  2. Step 2: Convert to fraction form
    26,123.96/39,187.41 = 8,356.18/x
  3. Step 3: Cross multiply
    26,123.96x = 39,187.41 × 8,356.18
  4. Step 4: Simplify right side
    26,123.96x = 327,456,855.76
  5. Step 5: Solve for x
    x = 327,456,855.76/26,123.96
  6. Step 6: Final answer
    x = 12,534.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.