Home / 18,583.09-25,665.95-12,238.04

Finding the Fourth Proportional to 18,583.09, 25,665.95 and 12,238.04

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Solution

The fourth proportional to 18,583.09, 25,665.95 and 12,238.04 is: 16,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.09 : 25,665.95 = 12,238.04 : x
  2. Step 2: Convert to fraction form
    18,583.09/25,665.95 = 12,238.04/x
  3. Step 3: Cross multiply
    18,583.09x = 25,665.95 × 12,238.04
  4. Step 4: Simplify right side
    18,583.09x = 314,101,097.66
  5. Step 5: Solve for x
    x = 314,101,097.66/18,583.09
  6. Step 6: Final answer
    x = 16,902.52

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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.