Home / 15,926.49-21,984.52-11,959.06

Finding the Fourth Proportional to 15,926.49, 21,984.52 and 11,959.06

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Solution

The fourth proportional to 15,926.49, 21,984.52 and 11,959.06 is: 16,507.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.49 : 21,984.52 = 11,959.06 : x
  2. Step 2: Convert to fraction form
    15,926.49/21,984.52 = 11,959.06/x
  3. Step 3: Cross multiply
    15,926.49x = 21,984.52 × 11,959.06
  4. Step 4: Simplify right side
    15,926.49x = 262,914,193.75
  5. Step 5: Solve for x
    x = 262,914,193.75/15,926.49
  6. Step 6: Final answer
    x = 16,507.98

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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.