Home / 18,142.96-25,046.18-14,100.28

Finding the Fourth Proportional to 18,142.96, 25,046.18 and 14,100.28

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Solution

The fourth proportional to 18,142.96, 25,046.18 and 14,100.28 is: 19,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.96 : 25,046.18 = 14,100.28 : x
  2. Step 2: Convert to fraction form
    18,142.96/25,046.18 = 14,100.28/x
  3. Step 3: Cross multiply
    18,142.96x = 25,046.18 × 14,100.28
  4. Step 4: Simplify right side
    18,142.96x = 353,158,150.93
  5. Step 5: Solve for x
    x = 353,158,150.93/18,142.96
  6. Step 6: Final answer
    x = 19,465.30

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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.