Home / 18,075.56-24,945.38-10,118.28

Finding the Fourth Proportional to 18,075.56, 24,945.38 and 10,118.28

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Solution

The fourth proportional to 18,075.56, 24,945.38 and 10,118.28 is: 13,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.56 : 24,945.38 = 10,118.28 : x
  2. Step 2: Convert to fraction form
    18,075.56/24,945.38 = 10,118.28/x
  3. Step 3: Cross multiply
    18,075.56x = 24,945.38 × 10,118.28
  4. Step 4: Simplify right side
    18,075.56x = 252,404,339.55
  5. Step 5: Solve for x
    x = 252,404,339.55/18,075.56
  6. Step 6: Final answer
    x = 13,963.85

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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.