Home / 34,696.20-47,880.69-18,780.63

Finding the Fourth Proportional to 34,696.20, 47,880.69 and 18,780.63

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Solution

The fourth proportional to 34,696.20, 47,880.69 and 18,780.63 is: 25,917.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,696.20 : 47,880.69 = 18,780.63 : x
  2. Step 2: Convert to fraction form
    34,696.20/47,880.69 = 18,780.63/x
  3. Step 3: Cross multiply
    34,696.20x = 47,880.69 × 18,780.63
  4. Step 4: Simplify right side
    34,696.20x = 899,229,523.03
  5. Step 5: Solve for x
    x = 899,229,523.03/34,696.20
  6. Step 6: Final answer
    x = 25,917.23

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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.