Home / 14,126.76-19,496.66-8,158.42

Finding the Fourth Proportional to 14,126.76, 19,496.66 and 8,158.42

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Solution

The fourth proportional to 14,126.76, 19,496.66 and 8,158.42 is: 11,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.76 : 19,496.66 = 8,158.42 : x
  2. Step 2: Convert to fraction form
    14,126.76/19,496.66 = 8,158.42/x
  3. Step 3: Cross multiply
    14,126.76x = 19,496.66 × 8,158.42
  4. Step 4: Simplify right side
    14,126.76x = 159,061,924.46
  5. Step 5: Solve for x
    x = 159,061,924.46/14,126.76
  6. Step 6: Final answer
    x = 11,259.62

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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.