Home / 14,226.52-19,633.72-7,939.84

Finding the Fourth Proportional to 14,226.52, 19,633.72 and 7,939.84

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Solution

The fourth proportional to 14,226.52, 19,633.72 and 7,939.84 is: 10,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.52 : 19,633.72 = 7,939.84 : x
  2. Step 2: Convert to fraction form
    14,226.52/19,633.72 = 7,939.84/x
  3. Step 3: Cross multiply
    14,226.52x = 19,633.72 × 7,939.84
  4. Step 4: Simplify right side
    14,226.52x = 155,888,595.40
  5. Step 5: Solve for x
    x = 155,888,595.40/14,226.52
  6. Step 6: Final answer
    x = 10,957.61

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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.