Home / 12,647.08-17,476.14-12,040.12

Finding the Fourth Proportional to 12,647.08, 17,476.14 and 12,040.12

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Solution

The fourth proportional to 12,647.08, 17,476.14 and 12,040.12 is: 16,637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647.08 : 17,476.14 = 12,040.12 : x
  2. Step 2: Convert to fraction form
    12,647.08/17,476.14 = 12,040.12/x
  3. Step 3: Cross multiply
    12,647.08x = 17,476.14 × 12,040.12
  4. Step 4: Simplify right side
    12,647.08x = 210,414,822.74
  5. Step 5: Solve for x
    x = 210,414,822.74/12,647.08
  6. Step 6: Final answer
    x = 16,637.42

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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.