Home / 28,184.13-42,282.67-9,716.13

Finding the Fourth Proportional to 28,184.13, 42,282.67 and 9,716.13

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Solution

The fourth proportional to 28,184.13, 42,282.67 and 9,716.13 is: 14,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.13 : 42,282.67 = 9,716.13 : x
  2. Step 2: Convert to fraction form
    28,184.13/42,282.67 = 9,716.13/x
  3. Step 3: Cross multiply
    28,184.13x = 42,282.67 × 9,716.13
  4. Step 4: Simplify right side
    28,184.13x = 410,823,918.47
  5. Step 5: Solve for x
    x = 410,823,918.47/28,184.13
  6. Step 6: Final answer
    x = 14,576.43

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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.