Home / 14,396.56-19,870.04-8,108.96

Finding the Fourth Proportional to 14,396.56, 19,870.04 and 8,108.96

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Solution

The fourth proportional to 14,396.56, 19,870.04 and 8,108.96 is: 11,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.56 : 19,870.04 = 8,108.96 : x
  2. Step 2: Convert to fraction form
    14,396.56/19,870.04 = 8,108.96/x
  3. Step 3: Cross multiply
    14,396.56x = 19,870.04 × 8,108.96
  4. Step 4: Simplify right side
    14,396.56x = 161,125,359.56
  5. Step 5: Solve for x
    x = 161,125,359.56/14,396.56
  6. Step 6: Final answer
    x = 11,191.93

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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.