Home / 33,326.28-45,990.26-18,219.00

Finding the Fourth Proportional to 33,326.28, 45,990.26 and 18,219.00

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Solution

The fourth proportional to 33,326.28, 45,990.26 and 18,219.00 is: 25,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,326.28 : 45,990.26 = 18,219.00 : x
  2. Step 2: Convert to fraction form
    33,326.28/45,990.26 = 18,219.00/x
  3. Step 3: Cross multiply
    33,326.28x = 45,990.26 × 18,219.00
  4. Step 4: Simplify right side
    33,326.28x = 837,896,696.63
  5. Step 5: Solve for x
    x = 837,896,696.63/33,326.28
  6. Step 6: Final answer
    x = 25,142.22

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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.