Home / 17,215.40-25,823.12-5,529.56

Finding the Fourth Proportional to 17,215.40, 25,823.12 and 5,529.56

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Solution

The fourth proportional to 17,215.40, 25,823.12 and 5,529.56 is: 8,294.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.40 : 25,823.12 = 5,529.56 : x
  2. Step 2: Convert to fraction form
    17,215.40/25,823.12 = 5,529.56/x
  3. Step 3: Cross multiply
    17,215.40x = 25,823.12 × 5,529.56
  4. Step 4: Simplify right side
    17,215.40x = 142,790,491.43
  5. Step 5: Solve for x
    x = 142,790,491.43/17,215.40
  6. Step 6: Final answer
    x = 8,294.35

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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.