Home / 33,145.74-45,730.80-18,803.19

Finding the Fourth Proportional to 33,145.74, 45,730.80 and 18,803.19

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Solution

The fourth proportional to 33,145.74, 45,730.80 and 18,803.19 is: 25,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,145.74 : 45,730.80 = 18,803.19 : x
  2. Step 2: Convert to fraction form
    33,145.74/45,730.80 = 18,803.19/x
  3. Step 3: Cross multiply
    33,145.74x = 45,730.80 × 18,803.19
  4. Step 4: Simplify right side
    33,145.74x = 859,884,921.25
  5. Step 5: Solve for x
    x = 859,884,921.25/33,145.74
  6. Step 6: Final answer
    x = 25,942.55

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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.