Home / 15,923.28-21,968.01-10,257.59

Finding the Fourth Proportional to 15,923.28, 21,968.01 and 10,257.59

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Solution

The fourth proportional to 15,923.28, 21,968.01 and 10,257.59 is: 14,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.28 : 21,968.01 = 10,257.59 : x
  2. Step 2: Convert to fraction form
    15,923.28/21,968.01 = 10,257.59/x
  3. Step 3: Cross multiply
    15,923.28x = 21,968.01 × 10,257.59
  4. Step 4: Simplify right side
    15,923.28x = 225,338,839.70
  5. Step 5: Solve for x
    x = 225,338,839.70/15,923.28
  6. Step 6: Final answer
    x = 14,151.53

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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.