Home / 14,964.96-20,650.70-8,250.63

Finding the Fourth Proportional to 14,964.96, 20,650.70 and 8,250.63

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Solution

The fourth proportional to 14,964.96, 20,650.70 and 8,250.63 is: 11,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.96 : 20,650.70 = 8,250.63 : x
  2. Step 2: Convert to fraction form
    14,964.96/20,650.70 = 8,250.63/x
  3. Step 3: Cross multiply
    14,964.96x = 20,650.70 × 8,250.63
  4. Step 4: Simplify right side
    14,964.96x = 170,381,243.69
  5. Step 5: Solve for x
    x = 170,381,243.69/14,964.96
  6. Step 6: Final answer
    x = 11,385.35

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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.