Home / 18,197.64-25,110.81-10,239.73

Finding the Fourth Proportional to 18,197.64, 25,110.81 and 10,239.73

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Solution

The fourth proportional to 18,197.64, 25,110.81 and 10,239.73 is: 14,129.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.64 : 25,110.81 = 10,239.73 : x
  2. Step 2: Convert to fraction form
    18,197.64/25,110.81 = 10,239.73/x
  3. Step 3: Cross multiply
    18,197.64x = 25,110.81 × 10,239.73
  4. Step 4: Simplify right side
    18,197.64x = 257,127,851.70
  5. Step 5: Solve for x
    x = 257,127,851.70/18,197.64
  6. Step 6: Final answer
    x = 14,129.74

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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.