Home / 18,075.36-27,113.28-9,305.76

Finding the Fourth Proportional to 18,075.36, 27,113.28 and 9,305.76

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Solution

The fourth proportional to 18,075.36, 27,113.28 and 9,305.76 is: 13,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.36 : 27,113.28 = 9,305.76 : x
  2. Step 2: Convert to fraction form
    18,075.36/27,113.28 = 9,305.76/x
  3. Step 3: Cross multiply
    18,075.36x = 27,113.28 × 9,305.76
  4. Step 4: Simplify right side
    18,075.36x = 252,309,676.49
  5. Step 5: Solve for x
    x = 252,309,676.49/18,075.36
  6. Step 6: Final answer
    x = 13,958.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.