Home / 18,309.00-25,269.11-11,595.25

Finding the Fourth Proportional to 18,309.00, 25,269.11 and 11,595.25

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Solution

The fourth proportional to 18,309.00, 25,269.11 and 11,595.25 is: 16,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.00 : 25,269.11 = 11,595.25 : x
  2. Step 2: Convert to fraction form
    18,309.00/25,269.11 = 11,595.25/x
  3. Step 3: Cross multiply
    18,309.00x = 25,269.11 × 11,595.25
  4. Step 4: Simplify right side
    18,309.00x = 293,001,730.04
  5. Step 5: Solve for x
    x = 293,001,730.04/18,309.00
  6. Step 6: Final answer
    x = 16,003.15

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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.