Home / 18,150.07-25,055.52-12,110.35

Finding the Fourth Proportional to 18,150.07, 25,055.52 and 12,110.35

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Solution

The fourth proportional to 18,150.07, 25,055.52 and 12,110.35 is: 16,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.07 : 25,055.52 = 12,110.35 : x
  2. Step 2: Convert to fraction form
    18,150.07/25,055.52 = 12,110.35/x
  3. Step 3: Cross multiply
    18,150.07x = 25,055.52 × 12,110.35
  4. Step 4: Simplify right side
    18,150.07x = 303,431,116.63
  5. Step 5: Solve for x
    x = 303,431,116.63/18,150.07
  6. Step 6: Final answer
    x = 16,717.90

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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.