Home / 13,116.26-19,679.78-9,624.08

Finding the Fourth Proportional to 13,116.26, 19,679.78 and 9,624.08

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Solution

The fourth proportional to 13,116.26, 19,679.78 and 9,624.08 is: 14,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.26 : 19,679.78 = 9,624.08 : x
  2. Step 2: Convert to fraction form
    13,116.26/19,679.78 = 9,624.08/x
  3. Step 3: Cross multiply
    13,116.26x = 19,679.78 × 9,624.08
  4. Step 4: Simplify right side
    13,116.26x = 189,399,777.10
  5. Step 5: Solve for x
    x = 189,399,777.10/13,116.26
  6. Step 6: Final answer
    x = 14,440.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.