Home / 18,075.56-24,943.20-11,364.80

Finding the Fourth Proportional to 18,075.56, 24,943.20 and 11,364.80

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Solution

The fourth proportional to 18,075.56, 24,943.20 and 11,364.80 is: 15,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.56 : 24,943.20 = 11,364.80 : x
  2. Step 2: Convert to fraction form
    18,075.56/24,943.20 = 11,364.80/x
  3. Step 3: Cross multiply
    18,075.56x = 24,943.20 × 11,364.80
  4. Step 4: Simplify right side
    18,075.56x = 283,474,479.36
  5. Step 5: Solve for x
    x = 283,474,479.36/18,075.56
  6. Step 6: Final answer
    x = 15,682.75

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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.