Home / 28,240.46-42,348.38-9,517.01

Finding the Fourth Proportional to 28,240.46, 42,348.38 and 9,517.01

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Solution

The fourth proportional to 28,240.46, 42,348.38 and 9,517.01 is: 14,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.46 : 42,348.38 = 9,517.01 : x
  2. Step 2: Convert to fraction form
    28,240.46/42,348.38 = 9,517.01/x
  3. Step 3: Cross multiply
    28,240.46x = 42,348.38 × 9,517.01
  4. Step 4: Simplify right side
    28,240.46x = 403,029,696.62
  5. Step 5: Solve for x
    x = 403,029,696.62/28,240.46
  6. Step 6: Final answer
    x = 14,271.36

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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.