Home / 34,664.36-47,836.74-18,748.78

Finding the Fourth Proportional to 34,664.36, 47,836.74 and 18,748.78

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Solution

The fourth proportional to 34,664.36, 47,836.74 and 18,748.78 is: 25,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,664.36 : 47,836.74 = 18,748.78 : x
  2. Step 2: Convert to fraction form
    34,664.36/47,836.74 = 18,748.78/x
  3. Step 3: Cross multiply
    34,664.36x = 47,836.74 × 18,748.78
  4. Step 4: Simplify right side
    34,664.36x = 896,880,733.97
  5. Step 5: Solve for x
    x = 896,880,733.97/34,664.36
  6. Step 6: Final answer
    x = 25,873.28

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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.