Home / 13,805.20-19,051.97-10,396.11

Finding the Fourth Proportional to 13,805.20, 19,051.97 and 10,396.11

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Solution

The fourth proportional to 13,805.20, 19,051.97 and 10,396.11 is: 14,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.20 : 19,051.97 = 10,396.11 : x
  2. Step 2: Convert to fraction form
    13,805.20/19,051.97 = 10,396.11/x
  3. Step 3: Cross multiply
    13,805.20x = 19,051.97 × 10,396.11
  4. Step 4: Simplify right side
    13,805.20x = 198,066,306.57
  5. Step 5: Solve for x
    x = 198,066,306.57/13,805.20
  6. Step 6: Final answer
    x = 14,347.23

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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.