Home / 15,192.32-20,944.56-10,157.36

Finding the Fourth Proportional to 15,192.32, 20,944.56 and 10,157.36

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Solution

The fourth proportional to 15,192.32, 20,944.56 and 10,157.36 is: 14,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192.32 : 20,944.56 = 10,157.36 : x
  2. Step 2: Convert to fraction form
    15,192.32/20,944.56 = 10,157.36/x
  3. Step 3: Cross multiply
    15,192.32x = 20,944.56 × 10,157.36
  4. Step 4: Simplify right side
    15,192.32x = 212,741,435.96
  5. Step 5: Solve for x
    x = 212,741,435.96/15,192.32
  6. Step 6: Final answer
    x = 14,003.22

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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.