Home / 13,943.61-19,241.75-7,569.90

Finding the Fourth Proportional to 13,943.61, 19,241.75 and 7,569.90

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Solution

The fourth proportional to 13,943.61, 19,241.75 and 7,569.90 is: 10,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.61 : 19,241.75 = 7,569.90 : x
  2. Step 2: Convert to fraction form
    13,943.61/19,241.75 = 7,569.90/x
  3. Step 3: Cross multiply
    13,943.61x = 19,241.75 × 7,569.90
  4. Step 4: Simplify right side
    13,943.61x = 145,658,123.33
  5. Step 5: Solve for x
    x = 145,658,123.33/13,943.61
  6. Step 6: Final answer
    x = 10,446.23

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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.