Home / 15,471.58-23,219.22-8,075.88

Finding the Fourth Proportional to 15,471.58, 23,219.22 and 8,075.88

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Solution

The fourth proportional to 15,471.58, 23,219.22 and 8,075.88 is: 12,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471.58 : 23,219.22 = 8,075.88 : x
  2. Step 2: Convert to fraction form
    15,471.58/23,219.22 = 8,075.88/x
  3. Step 3: Cross multiply
    15,471.58x = 23,219.22 × 8,075.88
  4. Step 4: Simplify right side
    15,471.58x = 187,515,634.41
  5. Step 5: Solve for x
    x = 187,515,634.41/15,471.58
  6. Step 6: Final answer
    x = 12,120.01

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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.