Home / 13,991.10-19,308.63-8,024.70

Finding the Fourth Proportional to 13,991.10, 19,308.63 and 8,024.70

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Solution

The fourth proportional to 13,991.10, 19,308.63 and 8,024.70 is: 11,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991.10 : 19,308.63 = 8,024.70 : x
  2. Step 2: Convert to fraction form
    13,991.10/19,308.63 = 8,024.70/x
  3. Step 3: Cross multiply
    13,991.10x = 19,308.63 × 8,024.70
  4. Step 4: Simplify right side
    13,991.10x = 154,945,963.16
  5. Step 5: Solve for x
    x = 154,945,963.16/13,991.10
  6. Step 6: Final answer
    x = 11,074.61

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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.