Home / 19,042.66-28,568.16-5,715.10

Finding the Fourth Proportional to 19,042.66, 28,568.16 and 5,715.10

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Solution

The fourth proportional to 19,042.66, 28,568.16 and 5,715.10 is: 8,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.66 : 28,568.16 = 5,715.10 : x
  2. Step 2: Convert to fraction form
    19,042.66/28,568.16 = 5,715.10/x
  3. Step 3: Cross multiply
    19,042.66x = 28,568.16 × 5,715.10
  4. Step 4: Simplify right side
    19,042.66x = 163,269,891.22
  5. Step 5: Solve for x
    x = 163,269,891.22/19,042.66
  6. Step 6: Final answer
    x = 8,573.90

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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.