Home / 14,964.95-20,650.69-8,250.23

Finding the Fourth Proportional to 14,964.95, 20,650.69 and 8,250.23

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Solution

The fourth proportional to 14,964.95, 20,650.69 and 8,250.23 is: 11,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.95 : 20,650.69 = 8,250.23 : x
  2. Step 2: Convert to fraction form
    14,964.95/20,650.69 = 8,250.23/x
  3. Step 3: Cross multiply
    14,964.95x = 20,650.69 × 8,250.23
  4. Step 4: Simplify right side
    14,964.95x = 170,372,942.16
  5. Step 5: Solve for x
    x = 170,372,942.16/14,964.95
  6. Step 6: Final answer
    x = 11,384.80

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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.