Home / 12,725.68-17,553.36-9,194.08

Finding the Fourth Proportional to 12,725.68, 17,553.36 and 9,194.08

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Solution

The fourth proportional to 12,725.68, 17,553.36 and 9,194.08 is: 12,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.68 : 17,553.36 = 9,194.08 : x
  2. Step 2: Convert to fraction form
    12,725.68/17,553.36 = 9,194.08/x
  3. Step 3: Cross multiply
    12,725.68x = 17,553.36 × 9,194.08
  4. Step 4: Simplify right side
    12,725.68x = 161,386,996.11
  5. Step 5: Solve for x
    x = 161,386,996.11/12,725.68
  6. Step 6: Final answer
    x = 12,681.99

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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.