Home / 18,153.61-25,051.83-10,195.66

Finding the Fourth Proportional to 18,153.61, 25,051.83 and 10,195.66

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Solution

The fourth proportional to 18,153.61, 25,051.83 and 10,195.66 is: 14,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.61 : 25,051.83 = 10,195.66 : x
  2. Step 2: Convert to fraction form
    18,153.61/25,051.83 = 10,195.66/x
  3. Step 3: Cross multiply
    18,153.61x = 25,051.83 × 10,195.66
  4. Step 4: Simplify right side
    18,153.61x = 255,419,941.06
  5. Step 5: Solve for x
    x = 255,419,941.06/18,153.61
  6. Step 6: Final answer
    x = 14,069.93

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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.