Home / 14,951.88-22,398.66-12,871.80

Finding the Fourth Proportional to 14,951.88, 22,398.66 and 12,871.80

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Solution

The fourth proportional to 14,951.88, 22,398.66 and 12,871.80 is: 19,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.88 : 22,398.66 = 12,871.80 : x
  2. Step 2: Convert to fraction form
    14,951.88/22,398.66 = 12,871.80/x
  3. Step 3: Cross multiply
    14,951.88x = 22,398.66 × 12,871.80
  4. Step 4: Simplify right side
    14,951.88x = 288,311,071.79
  5. Step 5: Solve for x
    x = 288,311,071.79/14,951.88
  6. Step 6: Final answer
    x = 19,282.60

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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.