Home / 22,291.55-30,763.06-12,220.83

Finding the Fourth Proportional to 22,291.55, 30,763.06 and 12,220.83

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Solution

The fourth proportional to 22,291.55, 30,763.06 and 12,220.83 is: 16,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,291.55 : 30,763.06 = 12,220.83 : x
  2. Step 2: Convert to fraction form
    22,291.55/30,763.06 = 12,220.83/x
  3. Step 3: Cross multiply
    22,291.55x = 30,763.06 × 12,220.83
  4. Step 4: Simplify right side
    22,291.55x = 375,950,095.99
  5. Step 5: Solve for x
    x = 375,950,095.99/22,291.55
  6. Step 6: Final answer
    x = 16,865.14

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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.