Home / 14,927.20-22,390.80-12,849.55

Finding the Fourth Proportional to 14,927.20, 22,390.80 and 12,849.55

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Solution

The fourth proportional to 14,927.20, 22,390.80 and 12,849.55 is: 19,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,927.20 : 22,390.80 = 12,849.55 : x
  2. Step 2: Convert to fraction form
    14,927.20/22,390.80 = 12,849.55/x
  3. Step 3: Cross multiply
    14,927.20x = 22,390.80 × 12,849.55
  4. Step 4: Simplify right side
    14,927.20x = 287,711,704.14
  5. Step 5: Solve for x
    x = 287,711,704.14/14,927.20
  6. Step 6: Final answer
    x = 19,274.33

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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.