Home / 14,620.50-20,192.69-9,896.58

Finding the Fourth Proportional to 14,620.50, 20,192.69 and 9,896.58

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Solution

The fourth proportional to 14,620.50, 20,192.69 and 9,896.58 is: 13,668.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.50 : 20,192.69 = 9,896.58 : x
  2. Step 2: Convert to fraction form
    14,620.50/20,192.69 = 9,896.58/x
  3. Step 3: Cross multiply
    14,620.50x = 20,192.69 × 9,896.58
  4. Step 4: Simplify right side
    14,620.50x = 199,838,596.74
  5. Step 5: Solve for x
    x = 199,838,596.74/14,620.50
  6. Step 6: Final answer
    x = 13,668.38

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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.