Home / 13,226.36-18,252.90-7,258.24

Finding the Fourth Proportional to 13,226.36, 18,252.90 and 7,258.24

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Solution

The fourth proportional to 13,226.36, 18,252.90 and 7,258.24 is: 10,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.36 : 18,252.90 = 7,258.24 : x
  2. Step 2: Convert to fraction form
    13,226.36/18,252.90 = 7,258.24/x
  3. Step 3: Cross multiply
    13,226.36x = 18,252.90 × 7,258.24
  4. Step 4: Simplify right side
    13,226.36x = 132,483,951.71
  5. Step 5: Solve for x
    x = 132,483,951.71/13,226.36
  6. Step 6: Final answer
    x = 10,016.66

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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.