Home / 18,496.05-25,696.71-18,274.61

Finding the Fourth Proportional to 18,496.05, 25,696.71 and 18,274.61

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Solution

The fourth proportional to 18,496.05, 25,696.71 and 18,274.61 is: 25,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.05 : 25,696.71 = 18,274.61 : x
  2. Step 2: Convert to fraction form
    18,496.05/25,696.71 = 18,274.61/x
  3. Step 3: Cross multiply
    18,496.05x = 25,696.71 × 18,274.61
  4. Step 4: Simplify right side
    18,496.05x = 469,597,417.77
  5. Step 5: Solve for x
    x = 469,597,417.77/18,496.05
  6. Step 6: Final answer
    x = 25,389.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.