Home / 33,215.25-45,834.74-18,681.61

Finding the Fourth Proportional to 33,215.25, 45,834.74 and 18,681.61

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Solution

The fourth proportional to 33,215.25, 45,834.74 and 18,681.61 is: 25,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215.25 : 45,834.74 = 18,681.61 : x
  2. Step 2: Convert to fraction form
    33,215.25/45,834.74 = 18,681.61/x
  3. Step 3: Cross multiply
    33,215.25x = 45,834.74 × 18,681.61
  4. Step 4: Simplify right side
    33,215.25x = 856,266,737.13
  5. Step 5: Solve for x
    x = 856,266,737.13/33,215.25
  6. Step 6: Final answer
    x = 25,779.33

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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.