Home / 33,145.02-45,724.68-19,708.74

Finding the Fourth Proportional to 33,145.02, 45,724.68 and 19,708.74

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Solution

The fourth proportional to 33,145.02, 45,724.68 and 19,708.74 is: 27,188.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,145.02 : 45,724.68 = 19,708.74 : x
  2. Step 2: Convert to fraction form
    33,145.02/45,724.68 = 19,708.74/x
  3. Step 3: Cross multiply
    33,145.02x = 45,724.68 × 19,708.74
  4. Step 4: Simplify right side
    33,145.02x = 901,175,829.70
  5. Step 5: Solve for x
    x = 901,175,829.70/33,145.02
  6. Step 6: Final answer
    x = 27,188.88

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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.