Home / 14,425.11-19,905.30-8,373.74

Finding the Fourth Proportional to 14,425.11, 19,905.30 and 8,373.74

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Solution

The fourth proportional to 14,425.11, 19,905.30 and 8,373.74 is: 11,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.11 : 19,905.30 = 8,373.74 : x
  2. Step 2: Convert to fraction form
    14,425.11/19,905.30 = 8,373.74/x
  3. Step 3: Cross multiply
    14,425.11x = 19,905.30 × 8,373.74
  4. Step 4: Simplify right side
    14,425.11x = 166,681,707.30
  5. Step 5: Solve for x
    x = 166,681,707.30/14,425.11
  6. Step 6: Final answer
    x = 11,554.97

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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.