Home / 18,713.90-28,075.32-6,234.03

Finding the Fourth Proportional to 18,713.90, 28,075.32 and 6,234.03

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Solution

The fourth proportional to 18,713.90, 28,075.32 and 6,234.03 is: 9,352.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.90 : 28,075.32 = 6,234.03 : x
  2. Step 2: Convert to fraction form
    18,713.90/28,075.32 = 6,234.03/x
  3. Step 3: Cross multiply
    18,713.90x = 28,075.32 × 6,234.03
  4. Step 4: Simplify right side
    18,713.90x = 175,022,387.14
  5. Step 5: Solve for x
    x = 175,022,387.14/18,713.90
  6. Step 6: Final answer
    x = 9,352.53

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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.