Home / 14,226.61-19,633.58-7,939.39

Finding the Fourth Proportional to 14,226.61, 19,633.58 and 7,939.39

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Solution

The fourth proportional to 14,226.61, 19,633.58 and 7,939.39 is: 10,956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.61 : 19,633.58 = 7,939.39 : x
  2. Step 2: Convert to fraction form
    14,226.61/19,633.58 = 7,939.39/x
  3. Step 3: Cross multiply
    14,226.61x = 19,633.58 × 7,939.39
  4. Step 4: Simplify right side
    14,226.61x = 155,878,648.72
  5. Step 5: Solve for x
    x = 155,878,648.72/14,226.61
  6. Step 6: Final answer
    x = 10,956.84

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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.