Home / 13,911.66-19,198.53-7,624.62

Finding the Fourth Proportional to 13,911.66, 19,198.53 and 7,624.62

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Solution

The fourth proportional to 13,911.66, 19,198.53 and 7,624.62 is: 10,522.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.66 : 19,198.53 = 7,624.62 : x
  2. Step 2: Convert to fraction form
    13,911.66/19,198.53 = 7,624.62/x
  3. Step 3: Cross multiply
    13,911.66x = 19,198.53 × 7,624.62
  4. Step 4: Simplify right side
    13,911.66x = 146,381,495.81
  5. Step 5: Solve for x
    x = 146,381,495.81/13,911.66
  6. Step 6: Final answer
    x = 10,522.22

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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.