Home / 26,721.60-40,061.04-12,674.56

Finding the Fourth Proportional to 26,721.60, 40,061.04 and 12,674.56

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Solution

The fourth proportional to 26,721.60, 40,061.04 and 12,674.56 is: 19,001.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.60 : 40,061.04 = 12,674.56 : x
  2. Step 2: Convert to fraction form
    26,721.60/40,061.04 = 12,674.56/x
  3. Step 3: Cross multiply
    26,721.60x = 40,061.04 × 12,674.56
  4. Step 4: Simplify right side
    26,721.60x = 507,756,055.14
  5. Step 5: Solve for x
    x = 507,756,055.14/26,721.60
  6. Step 6: Final answer
    x = 19,001.71

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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.