Home / 26,932.06-40,398.10-12,123.68

Finding the Fourth Proportional to 26,932.06, 40,398.10 and 12,123.68

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Solution

The fourth proportional to 26,932.06, 40,398.10 and 12,123.68 is: 18,185.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,932.06 : 40,398.10 = 12,123.68 : x
  2. Step 2: Convert to fraction form
    26,932.06/40,398.10 = 12,123.68/x
  3. Step 3: Cross multiply
    26,932.06x = 40,398.10 × 12,123.68
  4. Step 4: Simplify right side
    26,932.06x = 489,773,637.01
  5. Step 5: Solve for x
    x = 489,773,637.01/26,932.06
  6. Step 6: Final answer
    x = 18,185.52

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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.