Home / 22,363.65-30,861.99-12,291.75

Finding the Fourth Proportional to 22,363.65, 30,861.99 and 12,291.75

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Solution

The fourth proportional to 22,363.65, 30,861.99 and 12,291.75 is: 16,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,363.65 : 30,861.99 = 12,291.75 : x
  2. Step 2: Convert to fraction form
    22,363.65/30,861.99 = 12,291.75/x
  3. Step 3: Cross multiply
    22,363.65x = 30,861.99 × 12,291.75
  4. Step 4: Simplify right side
    22,363.65x = 379,347,865.58
  5. Step 5: Solve for x
    x = 379,347,865.58/22,363.65
  6. Step 6: Final answer
    x = 16,962.70

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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.