Home / 18,258.75-25,196.27-10,301.72

Finding the Fourth Proportional to 18,258.75, 25,196.27 and 10,301.72

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Solution

The fourth proportional to 18,258.75, 25,196.27 and 10,301.72 is: 14,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.75 : 25,196.27 = 10,301.72 : x
  2. Step 2: Convert to fraction form
    18,258.75/25,196.27 = 10,301.72/x
  3. Step 3: Cross multiply
    18,258.75x = 25,196.27 × 10,301.72
  4. Step 4: Simplify right side
    18,258.75x = 259,564,741.09
  5. Step 5: Solve for x
    x = 259,564,741.09/18,258.75
  6. Step 6: Final answer
    x = 14,215.91

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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.