Home / 22,248.90-30,650.67-15,522.30

Finding the Fourth Proportional to 22,248.90, 30,650.67 and 15,522.30

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Solution

The fourth proportional to 22,248.90, 30,650.67 and 15,522.30 is: 21,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,248.90 : 30,650.67 = 15,522.30 : x
  2. Step 2: Convert to fraction form
    22,248.90/30,650.67 = 15,522.30/x
  3. Step 3: Cross multiply
    22,248.90x = 30,650.67 × 15,522.30
  4. Step 4: Simplify right side
    22,248.90x = 475,768,894.94
  5. Step 5: Solve for x
    x = 475,768,894.94/22,248.90
  6. Step 6: Final answer
    x = 21,383.93

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1.5x scale

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.