Home / 27,921.14-41,881.63-12,124.13

Finding the Fourth Proportional to 27,921.14, 41,881.63 and 12,124.13

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Solution

The fourth proportional to 27,921.14, 41,881.63 and 12,124.13 is: 18,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.14 : 41,881.63 = 12,124.13 : x
  2. Step 2: Convert to fraction form
    27,921.14/41,881.63 = 12,124.13/x
  3. Step 3: Cross multiply
    27,921.14x = 41,881.63 × 12,124.13
  4. Step 4: Simplify right side
    27,921.14x = 507,778,326.73
  5. Step 5: Solve for x
    x = 507,778,326.73/27,921.14
  6. Step 6: Final answer
    x = 18,186.16

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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.