Home / 13,911.14-19,197.91-7,941.24

Finding the Fourth Proportional to 13,911.14, 19,197.91 and 7,941.24

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Solution

The fourth proportional to 13,911.14, 19,197.91 and 7,941.24 is: 10,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.14 : 19,197.91 = 7,941.24 : x
  2. Step 2: Convert to fraction form
    13,911.14/19,197.91 = 7,941.24/x
  3. Step 3: Cross multiply
    13,911.14x = 19,197.91 × 7,941.24
  4. Step 4: Simplify right side
    13,911.14x = 152,455,220.73
  5. Step 5: Solve for x
    x = 152,455,220.73/13,911.14
  6. Step 6: Final answer
    x = 10,959.22

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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.