Home / 17,142.96-25,718.28-7,282.56

Finding the Fourth Proportional to 17,142.96, 25,718.28 and 7,282.56

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Solution

The fourth proportional to 17,142.96, 25,718.28 and 7,282.56 is: 10,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142.96 : 25,718.28 = 7,282.56 : x
  2. Step 2: Convert to fraction form
    17,142.96/25,718.28 = 7,282.56/x
  3. Step 3: Cross multiply
    17,142.96x = 25,718.28 × 7,282.56
  4. Step 4: Simplify right side
    17,142.96x = 187,294,917.20
  5. Step 5: Solve for x
    x = 187,294,917.20/17,142.96
  6. Step 6: Final answer
    x = 10,925.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.