Home / 33,126.06-45,709.02-19,697.88

Finding the Fourth Proportional to 33,126.06, 45,709.02 and 19,697.88

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Solution

The fourth proportional to 33,126.06, 45,709.02 and 19,697.88 is: 27,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,126.06 : 45,709.02 = 19,697.88 : x
  2. Step 2: Convert to fraction form
    33,126.06/45,709.02 = 19,697.88/x
  3. Step 3: Cross multiply
    33,126.06x = 45,709.02 × 19,697.88
  4. Step 4: Simplify right side
    33,126.06x = 900,370,790.88
  5. Step 5: Solve for x
    x = 900,370,790.88/33,126.06
  6. Step 6: Final answer
    x = 27,180.14

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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.