Home / 22,311.90-30,795.53-13,364.64

Finding the Fourth Proportional to 22,311.90, 30,795.53 and 13,364.64

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Solution

The fourth proportional to 22,311.90, 30,795.53 and 13,364.64 is: 18,446.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,311.90 : 30,795.53 = 13,364.64 : x
  2. Step 2: Convert to fraction form
    22,311.90/30,795.53 = 13,364.64/x
  3. Step 3: Cross multiply
    22,311.90x = 30,795.53 × 13,364.64
  4. Step 4: Simplify right side
    22,311.90x = 411,571,105.24
  5. Step 5: Solve for x
    x = 411,571,105.24/22,311.90
  6. Step 6: Final answer
    x = 18,446.26

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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.