Home / 33,002.10-45,542.28-18,661.74

Finding the Fourth Proportional to 33,002.10, 45,542.28 and 18,661.74

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Solution

The fourth proportional to 33,002.10, 45,542.28 and 18,661.74 is: 25,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,002.10 : 45,542.28 = 18,661.74 : x
  2. Step 2: Convert to fraction form
    33,002.10/45,542.28 = 18,661.74/x
  3. Step 3: Cross multiply
    33,002.10x = 45,542.28 × 18,661.74
  4. Step 4: Simplify right side
    33,002.10x = 849,898,188.37
  5. Step 5: Solve for x
    x = 849,898,188.37/33,002.10
  6. Step 6: Final answer
    x = 25,752.85

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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.