Home / 18,153.27-25,051.10-10,086.48

Finding the Fourth Proportional to 18,153.27, 25,051.10 and 10,086.48

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Solution

The fourth proportional to 18,153.27, 25,051.10 and 10,086.48 is: 13,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.27 : 25,051.10 = 10,086.48 : x
  2. Step 2: Convert to fraction form
    18,153.27/25,051.10 = 10,086.48/x
  3. Step 3: Cross multiply
    18,153.27x = 25,051.10 × 10,086.48
  4. Step 4: Simplify right side
    18,153.27x = 252,677,368.70
  5. Step 5: Solve for x
    x = 252,677,368.70/18,153.27
  6. Step 6: Final answer
    x = 13,919.11

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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.