Home / 33,289.76-45,940.02-18,182.18

Finding the Fourth Proportional to 33,289.76, 45,940.02 and 18,182.18

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Solution

The fourth proportional to 33,289.76, 45,940.02 and 18,182.18 is: 25,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,289.76 : 45,940.02 = 18,182.18 : x
  2. Step 2: Convert to fraction form
    33,289.76/45,940.02 = 18,182.18/x
  3. Step 3: Cross multiply
    33,289.76x = 45,940.02 × 18,182.18
  4. Step 4: Simplify right side
    33,289.76x = 835,289,712.84
  5. Step 5: Solve for x
    x = 835,289,712.84/33,289.76
  6. Step 6: Final answer
    x = 25,091.49

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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.