Home / 22,461.79-33,665.36-15,889.87

Finding the Fourth Proportional to 22,461.79, 33,665.36 and 15,889.87

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Solution

The fourth proportional to 22,461.79, 33,665.36 and 15,889.87 is: 23,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,461.79 : 33,665.36 = 15,889.87 : x
  2. Step 2: Convert to fraction form
    22,461.79/33,665.36 = 15,889.87/x
  3. Step 3: Cross multiply
    22,461.79x = 33,665.36 × 15,889.87
  4. Step 4: Simplify right side
    22,461.79x = 534,938,114.45
  5. Step 5: Solve for x
    x = 534,938,114.45/22,461.79
  6. Step 6: Final answer
    x = 23,815.47

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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.