Home / 13,226.83-18,253.16-7,258.62

Finding the Fourth Proportional to 13,226.83, 18,253.16 and 7,258.62

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Solution

The fourth proportional to 13,226.83, 18,253.16 and 7,258.62 is: 10,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.83 : 18,253.16 = 7,258.62 : x
  2. Step 2: Convert to fraction form
    13,226.83/18,253.16 = 7,258.62/x
  3. Step 3: Cross multiply
    13,226.83x = 18,253.16 × 7,258.62
  4. Step 4: Simplify right side
    13,226.83x = 132,492,752.24
  5. Step 5: Solve for x
    x = 132,492,752.24/13,226.83
  6. Step 6: Final answer
    x = 10,016.97

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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.