Home / 19,486.41-26,891.51-11,528.43

Finding the Fourth Proportional to 19,486.41, 26,891.51 and 11,528.43

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Solution

The fourth proportional to 19,486.41, 26,891.51 and 11,528.43 is: 15,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.41 : 26,891.51 = 11,528.43 : x
  2. Step 2: Convert to fraction form
    19,486.41/26,891.51 = 11,528.43/x
  3. Step 3: Cross multiply
    19,486.41x = 26,891.51 × 11,528.43
  4. Step 4: Simplify right side
    19,486.41x = 310,016,832.99
  5. Step 5: Solve for x
    x = 310,016,832.99/19,486.41
  6. Step 6: Final answer
    x = 15,909.39

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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.