Home / 18,806.06-25,945.12-10,740.18

Finding the Fourth Proportional to 18,806.06, 25,945.12 and 10,740.18

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Solution

The fourth proportional to 18,806.06, 25,945.12 and 10,740.18 is: 14,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.06 : 25,945.12 = 10,740.18 : x
  2. Step 2: Convert to fraction form
    18,806.06/25,945.12 = 10,740.18/x
  3. Step 3: Cross multiply
    18,806.06x = 25,945.12 × 10,740.18
  4. Step 4: Simplify right side
    18,806.06x = 278,655,258.92
  5. Step 5: Solve for x
    x = 278,655,258.92/18,806.06
  6. Step 6: Final answer
    x = 14,817.31

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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.