Home / 18,258.40-25,196.16-10,300.96

Finding the Fourth Proportional to 18,258.40, 25,196.16 and 10,300.96

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Solution

The fourth proportional to 18,258.40, 25,196.16 and 10,300.96 is: 14,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.40 : 25,196.16 = 10,300.96 : x
  2. Step 2: Convert to fraction form
    18,258.40/25,196.16 = 10,300.96/x
  3. Step 3: Cross multiply
    18,258.40x = 25,196.16 × 10,300.96
  4. Step 4: Simplify right side
    18,258.40x = 259,544,636.31
  5. Step 5: Solve for x
    x = 259,544,636.31/18,258.40
  6. Step 6: Final answer
    x = 14,215.08

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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.