Home / 18,156.12-25,055.64-10,197.96

Finding the Fourth Proportional to 18,156.12, 25,055.64 and 10,197.96

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Solution

The fourth proportional to 18,156.12, 25,055.64 and 10,197.96 is: 14,073.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.12 : 25,055.64 = 10,197.96 : x
  2. Step 2: Convert to fraction form
    18,156.12/25,055.64 = 10,197.96/x
  3. Step 3: Cross multiply
    18,156.12x = 25,055.64 × 10,197.96
  4. Step 4: Simplify right side
    18,156.12x = 255,516,414.49
  5. Step 5: Solve for x
    x = 255,516,414.49/18,156.12
  6. Step 6: Final answer
    x = 14,073.29

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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.