Home / 19,173.09-26,454.78-11,213.76

Finding the Fourth Proportional to 19,173.09, 26,454.78 and 11,213.76

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Solution

The fourth proportional to 19,173.09, 26,454.78 and 11,213.76 is: 15,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.09 : 26,454.78 = 11,213.76 : x
  2. Step 2: Convert to fraction form
    19,173.09/26,454.78 = 11,213.76/x
  3. Step 3: Cross multiply
    19,173.09x = 26,454.78 × 11,213.76
  4. Step 4: Simplify right side
    19,173.09x = 296,657,365.43
  5. Step 5: Solve for x
    x = 296,657,365.43/19,173.09
  6. Step 6: Final answer
    x = 15,472.59

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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.