Home / 22,487.99-33,749.61-15,689.36

Finding the Fourth Proportional to 22,487.99, 33,749.61 and 15,689.36

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Solution

The fourth proportional to 22,487.99, 33,749.61 and 15,689.36 is: 23,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.99 : 33,749.61 = 15,689.36 : x
  2. Step 2: Convert to fraction form
    22,487.99/33,749.61 = 15,689.36/x
  3. Step 3: Cross multiply
    22,487.99x = 33,749.61 × 15,689.36
  4. Step 4: Simplify right side
    22,487.99x = 529,509,612.40
  5. Step 5: Solve for x
    x = 529,509,612.40/22,487.99
  6. Step 6: Final answer
    x = 23,546.33

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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.