Home / 18,173.24-25,078.43-10,106.85

Finding the Fourth Proportional to 18,173.24, 25,078.43 and 10,106.85

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Solution

The fourth proportional to 18,173.24, 25,078.43 and 10,106.85 is: 13,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.24 : 25,078.43 = 10,106.85 : x
  2. Step 2: Convert to fraction form
    18,173.24/25,078.43 = 10,106.85/x
  3. Step 3: Cross multiply
    18,173.24x = 25,078.43 × 10,106.85
  4. Step 4: Simplify right side
    18,173.24x = 253,463,955.51
  5. Step 5: Solve for x
    x = 253,463,955.51/18,173.24
  6. Step 6: Final answer
    x = 13,947.10

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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.