Home / 21,252.68-29,326.66-11,692.45

Finding the Fourth Proportional to 21,252.68, 29,326.66 and 11,692.45

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Solution

The fourth proportional to 21,252.68, 29,326.66 and 11,692.45 is: 16,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252.68 : 29,326.66 = 11,692.45 : x
  2. Step 2: Convert to fraction form
    21,252.68/29,326.66 = 11,692.45/x
  3. Step 3: Cross multiply
    21,252.68x = 29,326.66 × 11,692.45
  4. Step 4: Simplify right side
    21,252.68x = 342,900,513.14
  5. Step 5: Solve for x
    x = 342,900,513.14/21,252.68
  6. Step 6: Final answer
    x = 16,134.46

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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.