Home / 15,778.73-23,661.18-5,911.11

Finding the Fourth Proportional to 15,778.73, 23,661.18 and 5,911.11

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Solution

The fourth proportional to 15,778.73, 23,661.18 and 5,911.11 is: 8,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778.73 : 23,661.18 = 5,911.11 : x
  2. Step 2: Convert to fraction form
    15,778.73/23,661.18 = 5,911.11/x
  3. Step 3: Cross multiply
    15,778.73x = 23,661.18 × 5,911.11
  4. Step 4: Simplify right side
    15,778.73x = 139,863,837.71
  5. Step 5: Solve for x
    x = 139,863,837.71/15,778.73
  6. Step 6: Final answer
    x = 8,864.07

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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.