Home / 20,099.10-27,736.38-11,024.50

Finding the Fourth Proportional to 20,099.10, 27,736.38 and 11,024.50

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Solution

The fourth proportional to 20,099.10, 27,736.38 and 11,024.50 is: 15,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099.10 : 27,736.38 = 11,024.50 : x
  2. Step 2: Convert to fraction form
    20,099.10/27,736.38 = 11,024.50/x
  3. Step 3: Cross multiply
    20,099.10x = 27,736.38 × 11,024.50
  4. Step 4: Simplify right side
    20,099.10x = 305,779,721.31
  5. Step 5: Solve for x
    x = 305,779,721.31/20,099.10
  6. Step 6: Final answer
    x = 15,213.60

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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.