Home / 26,925.81-40,388.73-12,117.43

Finding the Fourth Proportional to 26,925.81, 40,388.73 and 12,117.43

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Solution

The fourth proportional to 26,925.81, 40,388.73 and 12,117.43 is: 18,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,925.81 : 40,388.73 = 12,117.43 : x
  2. Step 2: Convert to fraction form
    26,925.81/40,388.73 = 12,117.43/x
  3. Step 3: Cross multiply
    26,925.81x = 40,388.73 × 12,117.43
  4. Step 4: Simplify right side
    26,925.81x = 489,407,608.56
  5. Step 5: Solve for x
    x = 489,407,608.56/26,925.81
  6. Step 6: Final answer
    x = 18,176.15

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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.