Home / 33,260.78-45,899.60-18,153.47

Finding the Fourth Proportional to 33,260.78, 45,899.60 and 18,153.47

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Solution

The fourth proportional to 33,260.78, 45,899.60 and 18,153.47 is: 25,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,260.78 : 45,899.60 = 18,153.47 : x
  2. Step 2: Convert to fraction form
    33,260.78/45,899.60 = 18,153.47/x
  3. Step 3: Cross multiply
    33,260.78x = 45,899.60 × 18,153.47
  4. Step 4: Simplify right side
    33,260.78x = 833,237,171.74
  5. Step 5: Solve for x
    x = 833,237,171.74/33,260.78
  6. Step 6: Final answer
    x = 25,051.64

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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.