Home / 13,252.74-18,288.42-7,284.41

Finding the Fourth Proportional to 13,252.74, 18,288.42 and 7,284.41

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Solution

The fourth proportional to 13,252.74, 18,288.42 and 7,284.41 is: 10,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.74 : 18,288.42 = 7,284.41 : x
  2. Step 2: Convert to fraction form
    13,252.74/18,288.42 = 7,284.41/x
  3. Step 3: Cross multiply
    13,252.74x = 18,288.42 × 7,284.41
  4. Step 4: Simplify right side
    13,252.74x = 133,220,349.53
  5. Step 5: Solve for x
    x = 133,220,349.53/13,252.74
  6. Step 6: Final answer
    x = 10,052.29

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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.