Home / 18,137.51-25,027.85-10,180.61

Finding the Fourth Proportional to 18,137.51, 25,027.85 and 10,180.61

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Solution

The fourth proportional to 18,137.51, 25,027.85 and 10,180.61 is: 14,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.51 : 25,027.85 = 10,180.61 : x
  2. Step 2: Convert to fraction form
    18,137.51/25,027.85 = 10,180.61/x
  3. Step 3: Cross multiply
    18,137.51x = 25,027.85 × 10,180.61
  4. Step 4: Simplify right side
    18,137.51x = 254,798,779.99
  5. Step 5: Solve for x
    x = 254,798,779.99/18,137.51
  6. Step 6: Final answer
    x = 14,048.17

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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.