Home / 33,207.40-45,825.38-18,303.08

Finding the Fourth Proportional to 33,207.40, 45,825.38 and 18,303.08

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Solution

The fourth proportional to 33,207.40, 45,825.38 and 18,303.08 is: 25,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,207.40 : 45,825.38 = 18,303.08 : x
  2. Step 2: Convert to fraction form
    33,207.40/45,825.38 = 18,303.08/x
  3. Step 3: Cross multiply
    33,207.40x = 45,825.38 × 18,303.08
  4. Step 4: Simplify right side
    33,207.40x = 838,745,596.17
  5. Step 5: Solve for x
    x = 838,745,596.17/33,207.40
  6. Step 6: Final answer
    x = 25,257.79

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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.