Home / 11,663.95-17,578.05-10,554.86

Finding the Fourth Proportional to 11,663.95, 17,578.05 and 10,554.86

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Solution

The fourth proportional to 11,663.95, 17,578.05 and 10,554.86 is: 15,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663.95 : 17,578.05 = 10,554.86 : x
  2. Step 2: Convert to fraction form
    11,663.95/17,578.05 = 10,554.86/x
  3. Step 3: Cross multiply
    11,663.95x = 17,578.05 × 10,554.86
  4. Step 4: Simplify right side
    11,663.95x = 185,533,856.82
  5. Step 5: Solve for x
    x = 185,533,856.82/11,663.95
  6. Step 6: Final answer
    x = 15,906.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.