Home / 17,429.28-26,121.24-7,028.88

Finding the Fourth Proportional to 17,429.28, 26,121.24 and 7,028.88

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Solution

The fourth proportional to 17,429.28, 26,121.24 and 7,028.88 is: 10,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,429.28 : 26,121.24 = 7,028.88 : x
  2. Step 2: Convert to fraction form
    17,429.28/26,121.24 = 7,028.88/x
  3. Step 3: Cross multiply
    17,429.28x = 26,121.24 × 7,028.88
  4. Step 4: Simplify right side
    17,429.28x = 183,603,061.41
  5. Step 5: Solve for x
    x = 183,603,061.41/17,429.28
  6. Step 6: Final answer
    x = 10,534.17

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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.