Home / 13,926.50-19,219.56-8,624.36

Finding the Fourth Proportional to 13,926.50, 19,219.56 and 8,624.36

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Solution

The fourth proportional to 13,926.50, 19,219.56 and 8,624.36 is: 11,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.50 : 19,219.56 = 8,624.36 : x
  2. Step 2: Convert to fraction form
    13,926.50/19,219.56 = 8,624.36/x
  3. Step 3: Cross multiply
    13,926.50x = 19,219.56 × 8,624.36
  4. Step 4: Simplify right side
    13,926.50x = 165,756,404.48
  5. Step 5: Solve for x
    x = 165,756,404.48/13,926.50
  6. Step 6: Final answer
    x = 11,902.23

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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.