Home / 13,941.28-19,233.49-7,969.74

Finding the Fourth Proportional to 13,941.28, 19,233.49 and 7,969.74

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Solution

The fourth proportional to 13,941.28, 19,233.49 and 7,969.74 is: 10,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.28 : 19,233.49 = 7,969.74 : x
  2. Step 2: Convert to fraction form
    13,941.28/19,233.49 = 7,969.74/x
  3. Step 3: Cross multiply
    13,941.28x = 19,233.49 × 7,969.74
  4. Step 4: Simplify right side
    13,941.28x = 153,285,934.47
  5. Step 5: Solve for x
    x = 153,285,934.47/13,941.28
  6. Step 6: Final answer
    x = 10,995.11

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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.