Home / 33,107.74-49,682.16-13,386.47

Finding the Fourth Proportional to 33,107.74, 49,682.16 and 13,386.47

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Solution

The fourth proportional to 33,107.74, 49,682.16 and 13,386.47 is: 20,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,107.74 : 49,682.16 = 13,386.47 : x
  2. Step 2: Convert to fraction form
    33,107.74/49,682.16 = 13,386.47/x
  3. Step 3: Cross multiply
    33,107.74x = 49,682.16 × 13,386.47
  4. Step 4: Simplify right side
    33,107.74x = 665,068,495.96
  5. Step 5: Solve for x
    x = 665,068,495.96/33,107.74
  6. Step 6: Final answer
    x = 20,088.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.