Home / 22,289.10-33,418.50-10,603.50

Finding the Fourth Proportional to 22,289.10, 33,418.50 and 10,603.50

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Solution

The fourth proportional to 22,289.10, 33,418.50 and 10,603.50 is: 15,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,289.10 : 33,418.50 = 10,603.50 : x
  2. Step 2: Convert to fraction form
    22,289.10/33,418.50 = 10,603.50/x
  3. Step 3: Cross multiply
    22,289.10x = 33,418.50 × 10,603.50
  4. Step 4: Simplify right side
    22,289.10x = 354,353,064.75
  5. Step 5: Solve for x
    x = 354,353,064.75/22,289.10
  6. Step 6: Final answer
    x = 15,898.04

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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.