Home / 16,853.88-25,261.14-12,680.48

Finding the Fourth Proportional to 16,853.88, 25,261.14 and 12,680.48

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Solution

The fourth proportional to 16,853.88, 25,261.14 and 12,680.48 is: 19,005.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.88 : 25,261.14 = 12,680.48 : x
  2. Step 2: Convert to fraction form
    16,853.88/25,261.14 = 12,680.48/x
  3. Step 3: Cross multiply
    16,853.88x = 25,261.14 × 12,680.48
  4. Step 4: Simplify right side
    16,853.88x = 320,323,254.24
  5. Step 5: Solve for x
    x = 320,323,254.24/16,853.88
  6. Step 6: Final answer
    x = 19,005.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.