Home / 25,511.43-38,267.21-7,742.23

Finding the Fourth Proportional to 25,511.43, 38,267.21 and 7,742.23

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Solution

The fourth proportional to 25,511.43, 38,267.21 and 7,742.23 is: 11,613.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,511.43 : 38,267.21 = 7,742.23 : x
  2. Step 2: Convert to fraction form
    25,511.43/38,267.21 = 7,742.23/x
  3. Step 3: Cross multiply
    25,511.43x = 38,267.21 × 7,742.23
  4. Step 4: Simplify right side
    25,511.43x = 296,273,541.28
  5. Step 5: Solve for x
    x = 296,273,541.28/25,511.43
  6. Step 6: Final answer
    x = 11,613.36

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Double scale
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Similar ratio
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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.