Home / 22,112.64-33,149.36-15,856.92

Finding the Fourth Proportional to 22,112.64, 33,149.36 and 15,856.92

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Solution

The fourth proportional to 22,112.64, 33,149.36 and 15,856.92 is: 23,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112.64 : 33,149.36 = 15,856.92 : x
  2. Step 2: Convert to fraction form
    22,112.64/33,149.36 = 15,856.92/x
  3. Step 3: Cross multiply
    22,112.64x = 33,149.36 × 15,856.92
  4. Step 4: Simplify right side
    22,112.64x = 525,646,670.29
  5. Step 5: Solve for x
    x = 525,646,670.29/22,112.64
  6. Step 6: Final answer
    x = 23,771.32

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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.