Home / 13,236.03-19,856.48-5,440.59

Finding the Fourth Proportional to 13,236.03, 19,856.48 and 5,440.59

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Solution

The fourth proportional to 13,236.03, 19,856.48 and 5,440.59 is: 8,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.03 : 19,856.48 = 5,440.59 : x
  2. Step 2: Convert to fraction form
    13,236.03/19,856.48 = 5,440.59/x
  3. Step 3: Cross multiply
    13,236.03x = 19,856.48 × 5,440.59
  4. Step 4: Simplify right side
    13,236.03x = 108,030,939.32
  5. Step 5: Solve for x
    x = 108,030,939.32/13,236.03
  6. Step 6: Final answer
    x = 8,161.88

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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.