Home / 14,255.16-19,677.62-12,760.44

Finding the Fourth Proportional to 14,255.16, 19,677.62 and 12,760.44

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Solution

The fourth proportional to 14,255.16, 19,677.62 and 12,760.44 is: 17,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.16 : 19,677.62 = 12,760.44 : x
  2. Step 2: Convert to fraction form
    14,255.16/19,677.62 = 12,760.44/x
  3. Step 3: Cross multiply
    14,255.16x = 19,677.62 × 12,760.44
  4. Step 4: Simplify right side
    14,255.16x = 251,095,089.35
  5. Step 5: Solve for x
    x = 251,095,089.35/14,255.16
  6. Step 6: Final answer
    x = 17,614.33

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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.