Home / 13,943.49-19,241.88-7,569.95

Finding the Fourth Proportional to 13,943.49, 19,241.88 and 7,569.95

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Solution

The fourth proportional to 13,943.49, 19,241.88 and 7,569.95 is: 10,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.49 : 19,241.88 = 7,569.95 : x
  2. Step 2: Convert to fraction form
    13,943.49/19,241.88 = 7,569.95/x
  3. Step 3: Cross multiply
    13,943.49x = 19,241.88 × 7,569.95
  4. Step 4: Simplify right side
    13,943.49x = 145,659,973.30
  5. Step 5: Solve for x
    x = 145,659,973.30/13,943.49
  6. Step 6: Final answer
    x = 10,446.45

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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.