Home / 14,261.34-19,680.27-7,800.73

Finding the Fourth Proportional to 14,261.34, 19,680.27 and 7,800.73

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Solution

The fourth proportional to 14,261.34, 19,680.27 and 7,800.73 is: 10,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.34 : 19,680.27 = 7,800.73 : x
  2. Step 2: Convert to fraction form
    14,261.34/19,680.27 = 7,800.73/x
  3. Step 3: Cross multiply
    14,261.34x = 19,680.27 × 7,800.73
  4. Step 4: Simplify right side
    14,261.34x = 153,520,472.60
  5. Step 5: Solve for x
    x = 153,520,472.60/14,261.34
  6. Step 6: Final answer
    x = 10,764.80

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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.