Home / 19,104.95-26,366.53-11,149.74

Finding the Fourth Proportional to 19,104.95, 26,366.53 and 11,149.74

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Solution

The fourth proportional to 19,104.95, 26,366.53 and 11,149.74 is: 15,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.95 : 26,366.53 = 11,149.74 : x
  2. Step 2: Convert to fraction form
    19,104.95/26,366.53 = 11,149.74/x
  3. Step 3: Cross multiply
    19,104.95x = 26,366.53 × 11,149.74
  4. Step 4: Simplify right side
    19,104.95x = 293,979,954.20
  5. Step 5: Solve for x
    x = 293,979,954.20/19,104.95
  6. Step 6: Final answer
    x = 15,387.63

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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.