Home / 14,910.48-20,577.42-9,865.98

Finding the Fourth Proportional to 14,910.48, 20,577.42 and 9,865.98

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Solution

The fourth proportional to 14,910.48, 20,577.42 and 9,865.98 is: 13,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.48 : 20,577.42 = 9,865.98 : x
  2. Step 2: Convert to fraction form
    14,910.48/20,577.42 = 9,865.98/x
  3. Step 3: Cross multiply
    14,910.48x = 20,577.42 × 9,865.98
  4. Step 4: Simplify right side
    14,910.48x = 203,016,414.17
  5. Step 5: Solve for x
    x = 203,016,414.17/14,910.48
  6. Step 6: Final answer
    x = 13,615.69

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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.