Home / 10,633.06-16,029.20-9,919.45

Finding the Fourth Proportional to 10,633.06, 16,029.20 and 9,919.45

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Solution

The fourth proportional to 10,633.06, 16,029.20 and 9,919.45 is: 14,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,633.06 : 16,029.20 = 9,919.45 : x
  2. Step 2: Convert to fraction form
    10,633.06/16,029.20 = 9,919.45/x
  3. Step 3: Cross multiply
    10,633.06x = 16,029.20 × 9,919.45
  4. Step 4: Simplify right side
    10,633.06x = 159,000,847.94
  5. Step 5: Solve for x
    x = 159,000,847.94/10,633.06
  6. Step 6: Final answer
    x = 14,953.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.