Home / 33,235.14-45,863.49-18,128.10

Finding the Fourth Proportional to 33,235.14, 45,863.49 and 18,128.10

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Solution

The fourth proportional to 33,235.14, 45,863.49 and 18,128.10 is: 25,016.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,235.14 : 45,863.49 = 18,128.10 : x
  2. Step 2: Convert to fraction form
    33,235.14/45,863.49 = 18,128.10/x
  3. Step 3: Cross multiply
    33,235.14x = 45,863.49 × 18,128.10
  4. Step 4: Simplify right side
    33,235.14x = 831,417,703.75
  5. Step 5: Solve for x
    x = 831,417,703.75/33,235.14
  6. Step 6: Final answer
    x = 25,016.23

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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.