Home / 33,116.14-45,700.09-19,697.68

Finding the Fourth Proportional to 33,116.14, 45,700.09 and 19,697.68

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Solution

The fourth proportional to 33,116.14, 45,700.09 and 19,697.68 is: 27,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,116.14 : 45,700.09 = 19,697.68 : x
  2. Step 2: Convert to fraction form
    33,116.14/45,700.09 = 19,697.68/x
  3. Step 3: Cross multiply
    33,116.14x = 45,700.09 × 19,697.68
  4. Step 4: Simplify right side
    33,116.14x = 900,185,748.79
  5. Step 5: Solve for x
    x = 900,185,748.79/33,116.14
  6. Step 6: Final answer
    x = 27,182.69

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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.