Home / 22,165.89-30,588.11-12,606.16

Finding the Fourth Proportional to 22,165.89, 30,588.11 and 12,606.16

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Solution

The fourth proportional to 22,165.89, 30,588.11 and 12,606.16 is: 17,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.89 : 30,588.11 = 12,606.16 : x
  2. Step 2: Convert to fraction form
    22,165.89/30,588.11 = 12,606.16/x
  3. Step 3: Cross multiply
    22,165.89x = 30,588.11 × 12,606.16
  4. Step 4: Simplify right side
    22,165.89x = 385,598,608.76
  5. Step 5: Solve for x
    x = 385,598,608.76/22,165.89
  6. Step 6: Final answer
    x = 17,396.04

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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.