Home / 13,226.70-18,252.18-7,258.17

Finding the Fourth Proportional to 13,226.70, 18,252.18 and 7,258.17

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Solution

The fourth proportional to 13,226.70, 18,252.18 and 7,258.17 is: 10,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.70 : 18,252.18 = 7,258.17 : x
  2. Step 2: Convert to fraction form
    13,226.70/18,252.18 = 7,258.17/x
  3. Step 3: Cross multiply
    13,226.70x = 18,252.18 × 7,258.17
  4. Step 4: Simplify right side
    13,226.70x = 132,477,425.31
  5. Step 5: Solve for x
    x = 132,477,425.31/13,226.70
  6. Step 6: Final answer
    x = 10,015.91

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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.