Home / 19,512.54-26,926.83-11,128.50

Finding the Fourth Proportional to 19,512.54, 26,926.83 and 11,128.50

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Solution

The fourth proportional to 19,512.54, 26,926.83 and 11,128.50 is: 15,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.54 : 26,926.83 = 11,128.50 : x
  2. Step 2: Convert to fraction form
    19,512.54/26,926.83 = 11,128.50/x
  3. Step 3: Cross multiply
    19,512.54x = 26,926.83 × 11,128.50
  4. Step 4: Simplify right side
    19,512.54x = 299,655,227.66
  5. Step 5: Solve for x
    x = 299,655,227.66/19,512.54
  6. Step 6: Final answer
    x = 15,357.06

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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.