Home / 33,686.70-50,515.39-17,888.28

Finding the Fourth Proportional to 33,686.70, 50,515.39 and 17,888.28

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Solution

The fourth proportional to 33,686.70, 50,515.39 and 17,888.28 is: 26,824.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,686.70 : 50,515.39 = 17,888.28 : x
  2. Step 2: Convert to fraction form
    33,686.70/50,515.39 = 17,888.28/x
  3. Step 3: Cross multiply
    33,686.70x = 50,515.39 × 17,888.28
  4. Step 4: Simplify right side
    33,686.70x = 903,633,440.63
  5. Step 5: Solve for x
    x = 903,633,440.63/33,686.70
  6. Step 6: Final answer
    x = 26,824.64

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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.