Home / 19,511.82-26,926.13-10,559.15

Finding the Fourth Proportional to 19,511.82, 26,926.13 and 10,559.15

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Solution

The fourth proportional to 19,511.82, 26,926.13 and 10,559.15 is: 14,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.82 : 26,926.13 = 10,559.15 : x
  2. Step 2: Convert to fraction form
    19,511.82/26,926.13 = 10,559.15/x
  3. Step 3: Cross multiply
    19,511.82x = 26,926.13 × 10,559.15
  4. Step 4: Simplify right side
    19,511.82x = 284,317,045.59
  5. Step 5: Solve for x
    x = 284,317,045.59/19,511.82
  6. Step 6: Final answer
    x = 14,571.53

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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.