Home / 13,943.11-19,241.51-7,569.70

Finding the Fourth Proportional to 13,943.11, 19,241.51 and 7,569.70

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Solution

The fourth proportional to 13,943.11, 19,241.51 and 7,569.70 is: 10,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.11 : 19,241.51 = 7,569.70 : x
  2. Step 2: Convert to fraction form
    13,943.11/19,241.51 = 7,569.70/x
  3. Step 3: Cross multiply
    13,943.11x = 19,241.51 × 7,569.70
  4. Step 4: Simplify right side
    13,943.11x = 145,652,452.58
  5. Step 5: Solve for x
    x = 145,652,452.58/13,943.11
  6. Step 6: Final answer
    x = 10,446.20

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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.