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Finding the Fourth Proportional to 18,677.48, 25,774.82 and 10,293.48

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Solution

The fourth proportional to 18,677.48, 25,774.82 and 10,293.48 is: 14,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.48 : 25,774.82 = 10,293.48 : x
  2. Step 2: Convert to fraction form
    18,677.48/25,774.82 = 10,293.48/x
  3. Step 3: Cross multiply
    18,677.48x = 25,774.82 × 10,293.48
  4. Step 4: Simplify right side
    18,677.48x = 265,312,594.17
  5. Step 5: Solve for x
    x = 265,312,594.17/18,677.48
  6. Step 6: Final answer
    x = 14,204.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.