Home / 33,323.68-45,986.66-18,216.40

Finding the Fourth Proportional to 33,323.68, 45,986.66 and 18,216.40

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Solution

The fourth proportional to 33,323.68, 45,986.66 and 18,216.40 is: 25,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,323.68 : 45,986.66 = 18,216.40 : x
  2. Step 2: Convert to fraction form
    33,323.68/45,986.66 = 18,216.40/x
  3. Step 3: Cross multiply
    33,323.68x = 45,986.66 × 18,216.40
  4. Step 4: Simplify right side
    33,323.68x = 837,711,187.18
  5. Step 5: Solve for x
    x = 837,711,187.18/33,323.68
  6. Step 6: Final answer
    x = 25,138.62

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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.