Home / 22,438.77-33,658.51-6,645.40

Finding the Fourth Proportional to 22,438.77, 33,658.51 and 6,645.40

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Solution

The fourth proportional to 22,438.77, 33,658.51 and 6,645.40 is: 9,968.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,438.77 : 33,658.51 = 6,645.40 : x
  2. Step 2: Convert to fraction form
    22,438.77/33,658.51 = 6,645.40/x
  3. Step 3: Cross multiply
    22,438.77x = 33,658.51 × 6,645.40
  4. Step 4: Simplify right side
    22,438.77x = 223,674,363.38
  5. Step 5: Solve for x
    x = 223,674,363.38/22,438.77
  6. Step 6: Final answer
    x = 9,968.21

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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.