Home / 22,899.66-31,583.75-15,343.57

Finding the Fourth Proportional to 22,899.66, 31,583.75 and 15,343.57

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Solution

The fourth proportional to 22,899.66, 31,583.75 and 15,343.57 is: 21,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,899.66 : 31,583.75 = 15,343.57 : x
  2. Step 2: Convert to fraction form
    22,899.66/31,583.75 = 15,343.57/x
  3. Step 3: Cross multiply
    22,899.66x = 31,583.75 × 15,343.57
  4. Step 4: Simplify right side
    22,899.66x = 484,607,478.99
  5. Step 5: Solve for x
    x = 484,607,478.99/22,899.66
  6. Step 6: Final answer
    x = 21,162.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.