Home / 18,180.72-25,087.35-10,222.77

Finding the Fourth Proportional to 18,180.72, 25,087.35 and 10,222.77

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Solution

The fourth proportional to 18,180.72, 25,087.35 and 10,222.77 is: 14,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.72 : 25,087.35 = 10,222.77 : x
  2. Step 2: Convert to fraction form
    18,180.72/25,087.35 = 10,222.77/x
  3. Step 3: Cross multiply
    18,180.72x = 25,087.35 × 10,222.77
  4. Step 4: Simplify right side
    18,180.72x = 256,462,341.37
  5. Step 5: Solve for x
    x = 256,462,341.37/18,180.72
  6. Step 6: Final answer
    x = 14,106.28

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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.