Home / 19,561.88-26,992.50-11,061.74

Finding the Fourth Proportional to 19,561.88, 26,992.50 and 11,061.74

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Solution

The fourth proportional to 19,561.88, 26,992.50 and 11,061.74 is: 15,263.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.88 : 26,992.50 = 11,061.74 : x
  2. Step 2: Convert to fraction form
    19,561.88/26,992.50 = 11,061.74/x
  3. Step 3: Cross multiply
    19,561.88x = 26,992.50 × 11,061.74
  4. Step 4: Simplify right side
    19,561.88x = 298,584,016.95
  5. Step 5: Solve for x
    x = 298,584,016.95/19,561.88
  6. Step 6: Final answer
    x = 15,263.56

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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.