Home / 18,358.13-25,334.21-10,906.13

Finding the Fourth Proportional to 18,358.13, 25,334.21 and 10,906.13

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Solution

The fourth proportional to 18,358.13, 25,334.21 and 10,906.13 is: 15,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.13 : 25,334.21 = 10,906.13 : x
  2. Step 2: Convert to fraction form
    18,358.13/25,334.21 = 10,906.13/x
  3. Step 3: Cross multiply
    18,358.13x = 25,334.21 × 10,906.13
  4. Step 4: Simplify right side
    18,358.13x = 276,298,088.30
  5. Step 5: Solve for x
    x = 276,298,088.30/18,358.13
  6. Step 6: Final answer
    x = 15,050.45

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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.