Home / 15,578.62-23,330.67-8,984.81

Finding the Fourth Proportional to 15,578.62, 23,330.67 and 8,984.81

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Solution

The fourth proportional to 15,578.62, 23,330.67 and 8,984.81 is: 13,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.62 : 23,330.67 = 8,984.81 : x
  2. Step 2: Convert to fraction form
    15,578.62/23,330.67 = 8,984.81/x
  3. Step 3: Cross multiply
    15,578.62x = 23,330.67 × 8,984.81
  4. Step 4: Simplify right side
    15,578.62x = 209,621,637.12
  5. Step 5: Solve for x
    x = 209,621,637.12/15,578.62
  6. Step 6: Final answer
    x = 13,455.73

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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.