Home / 28,423.44-42,615.18-9,694.62

Finding the Fourth Proportional to 28,423.44, 42,615.18 and 9,694.62

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Solution

The fourth proportional to 28,423.44, 42,615.18 and 9,694.62 is: 14,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423.44 : 42,615.18 = 9,694.62 : x
  2. Step 2: Convert to fraction form
    28,423.44/42,615.18 = 9,694.62/x
  3. Step 3: Cross multiply
    28,423.44x = 42,615.18 × 9,694.62
  4. Step 4: Simplify right side
    28,423.44x = 413,137,976.33
  5. Step 5: Solve for x
    x = 413,137,976.33/28,423.44
  6. Step 6: Final answer
    x = 14,535.12

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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.