Home / 19,522.34-26,941.11-11,138.84

Finding the Fourth Proportional to 19,522.34, 26,941.11 and 11,138.84

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Solution

The fourth proportional to 19,522.34, 26,941.11 and 11,138.84 is: 15,371.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,522.34 : 26,941.11 = 11,138.84 : x
  2. Step 2: Convert to fraction form
    19,522.34/26,941.11 = 11,138.84/x
  3. Step 3: Cross multiply
    19,522.34x = 26,941.11 × 11,138.84
  4. Step 4: Simplify right side
    19,522.34x = 300,092,713.71
  5. Step 5: Solve for x
    x = 300,092,713.71/19,522.34
  6. Step 6: Final answer
    x = 15,371.76

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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.