Home / 13,972.72-19,282.43-7,599.38

Finding the Fourth Proportional to 13,972.72, 19,282.43 and 7,599.38

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Solution

The fourth proportional to 13,972.72, 19,282.43 and 7,599.38 is: 10,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.72 : 19,282.43 = 7,599.38 : x
  2. Step 2: Convert to fraction form
    13,972.72/19,282.43 = 7,599.38/x
  3. Step 3: Cross multiply
    13,972.72x = 19,282.43 × 7,599.38
  4. Step 4: Simplify right side
    13,972.72x = 146,534,561.10
  5. Step 5: Solve for x
    x = 146,534,561.10/13,972.72
  6. Step 6: Final answer
    x = 10,487.19

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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.