Home / 18,582.15-25,664.64-12,237.09

Finding the Fourth Proportional to 18,582.15, 25,664.64 and 12,237.09

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Solution

The fourth proportional to 18,582.15, 25,664.64 and 12,237.09 is: 16,901.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.15 : 25,664.64 = 12,237.09 : x
  2. Step 2: Convert to fraction form
    18,582.15/25,664.64 = 12,237.09/x
  3. Step 3: Cross multiply
    18,582.15x = 25,664.64 × 12,237.09
  4. Step 4: Simplify right side
    18,582.15x = 314,060,509.50
  5. Step 5: Solve for x
    x = 314,060,509.50/18,582.15
  6. Step 6: Final answer
    x = 16,901.19

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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.