Home / 18,258.36-25,196.07-10,300.51

Finding the Fourth Proportional to 18,258.36, 25,196.07 and 10,300.51

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Solution

The fourth proportional to 18,258.36, 25,196.07 and 10,300.51 is: 14,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.36 : 25,196.07 = 10,300.51 : x
  2. Step 2: Convert to fraction form
    18,258.36/25,196.07 = 10,300.51/x
  3. Step 3: Cross multiply
    18,258.36x = 25,196.07 × 10,300.51
  4. Step 4: Simplify right side
    18,258.36x = 259,532,371.00
  5. Step 5: Solve for x
    x = 259,532,371.00/18,258.36
  6. Step 6: Final answer
    x = 14,214.44

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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.