Home / 18,366.06-25,345.37-9,982.56

Finding the Fourth Proportional to 18,366.06, 25,345.37 and 9,982.56

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Solution

The fourth proportional to 18,366.06, 25,345.37 and 9,982.56 is: 13,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.06 : 25,345.37 = 9,982.56 : x
  2. Step 2: Convert to fraction form
    18,366.06/25,345.37 = 9,982.56/x
  3. Step 3: Cross multiply
    18,366.06x = 25,345.37 × 9,982.56
  4. Step 4: Simplify right side
    18,366.06x = 253,011,676.75
  5. Step 5: Solve for x
    x = 253,011,676.75/18,366.06
  6. Step 6: Final answer
    x = 13,776.05

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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.