Home / 34,857.06-52,256.20-15,120.75

Finding the Fourth Proportional to 34,857.06, 52,256.20 and 15,120.75

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Solution

The fourth proportional to 34,857.06, 52,256.20 and 15,120.75 is: 22,668.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,857.06 : 52,256.20 = 15,120.75 : x
  2. Step 2: Convert to fraction form
    34,857.06/52,256.20 = 15,120.75/x
  3. Step 3: Cross multiply
    34,857.06x = 52,256.20 × 15,120.75
  4. Step 4: Simplify right side
    34,857.06x = 790,152,936.15
  5. Step 5: Solve for x
    x = 790,152,936.15/34,857.06
  6. Step 6: Final answer
    x = 22,668.38

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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.