Home / 33,323.70-45,987.36-18,215.94

Finding the Fourth Proportional to 33,323.70, 45,987.36 and 18,215.94

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Solution

The fourth proportional to 33,323.70, 45,987.36 and 18,215.94 is: 25,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,323.70 : 45,987.36 = 18,215.94 : x
  2. Step 2: Convert to fraction form
    33,323.70/45,987.36 = 18,215.94/x
  3. Step 3: Cross multiply
    33,323.70x = 45,987.36 × 18,215.94
  4. Step 4: Simplify right side
    33,323.70x = 837,702,990.52
  5. Step 5: Solve for x
    x = 837,702,990.52/33,323.70
  6. Step 6: Final answer
    x = 25,138.35

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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.