Home / 13,940.57-19,232.52-7,969.04

Finding the Fourth Proportional to 13,940.57, 19,232.52 and 7,969.04

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Solution

The fourth proportional to 13,940.57, 19,232.52 and 7,969.04 is: 10,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.57 : 19,232.52 = 7,969.04 : x
  2. Step 2: Convert to fraction form
    13,940.57/19,232.52 = 7,969.04/x
  3. Step 3: Cross multiply
    13,940.57x = 19,232.52 × 7,969.04
  4. Step 4: Simplify right side
    13,940.57x = 153,264,667.26
  5. Step 5: Solve for x
    x = 153,264,667.26/13,940.57
  6. Step 6: Final answer
    x = 10,994.14

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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.