Home / 18,215.94-25,137.75-10,258.26

Finding the Fourth Proportional to 18,215.94, 25,137.75 and 10,258.26

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Solution

The fourth proportional to 18,215.94, 25,137.75 and 10,258.26 is: 14,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.94 : 25,137.75 = 10,258.26 : x
  2. Step 2: Convert to fraction form
    18,215.94/25,137.75 = 10,258.26/x
  3. Step 3: Cross multiply
    18,215.94x = 25,137.75 × 10,258.26
  4. Step 4: Simplify right side
    18,215.94x = 257,869,575.32
  5. Step 5: Solve for x
    x = 257,869,575.32/18,215.94
  6. Step 6: Final answer
    x = 14,156.26

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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.