Home / 13,226.87-18,252.48-7,258.42

Finding the Fourth Proportional to 13,226.87, 18,252.48 and 7,258.42

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Solution

The fourth proportional to 13,226.87, 18,252.48 and 7,258.42 is: 10,016.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.87 : 18,252.48 = 7,258.42 : x
  2. Step 2: Convert to fraction form
    13,226.87/18,252.48 = 7,258.42/x
  3. Step 3: Cross multiply
    13,226.87x = 18,252.48 × 7,258.42
  4. Step 4: Simplify right side
    13,226.87x = 132,484,215.92
  5. Step 5: Solve for x
    x = 132,484,215.92/13,226.87
  6. Step 6: Final answer
    x = 10,016.29

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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.