Home / 19,086.28-26,336.18-10,909.29

Finding the Fourth Proportional to 19,086.28, 26,336.18 and 10,909.29

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Solution

The fourth proportional to 19,086.28, 26,336.18 and 10,909.29 is: 15,053.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.28 : 26,336.18 = 10,909.29 : x
  2. Step 2: Convert to fraction form
    19,086.28/26,336.18 = 10,909.29/x
  3. Step 3: Cross multiply
    19,086.28x = 26,336.18 × 10,909.29
  4. Step 4: Simplify right side
    19,086.28x = 287,308,986.54
  5. Step 5: Solve for x
    x = 287,308,986.54/19,086.28
  6. Step 6: Final answer
    x = 15,053.17

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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.