Home / 22,237.86-30,688.32-12,166.08

Finding the Fourth Proportional to 22,237.86, 30,688.32 and 12,166.08

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Solution

The fourth proportional to 22,237.86, 30,688.32 and 12,166.08 is: 16,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.86 : 30,688.32 = 12,166.08 : x
  2. Step 2: Convert to fraction form
    22,237.86/30,688.32 = 12,166.08/x
  3. Step 3: Cross multiply
    22,237.86x = 30,688.32 × 12,166.08
  4. Step 4: Simplify right side
    22,237.86x = 373,356,556.19
  5. Step 5: Solve for x
    x = 373,356,556.19/22,237.86
  6. Step 6: Final answer
    x = 16,789.23

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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.