Home / 19,536.84-26,960.76-11,153.34

Finding the Fourth Proportional to 19,536.84, 26,960.76 and 11,153.34

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Solution

The fourth proportional to 19,536.84, 26,960.76 and 11,153.34 is: 15,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536.84 : 26,960.76 = 11,153.34 : x
  2. Step 2: Convert to fraction form
    19,536.84/26,960.76 = 11,153.34/x
  3. Step 3: Cross multiply
    19,536.84x = 26,960.76 × 11,153.34
  4. Step 4: Simplify right side
    19,536.84x = 300,702,522.94
  5. Step 5: Solve for x
    x = 300,702,522.94/19,536.84
  6. Step 6: Final answer
    x = 15,391.56

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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.