Home / 22,236.03-30,684.57-12,162.51

Finding the Fourth Proportional to 22,236.03, 30,684.57 and 12,162.51

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Solution

The fourth proportional to 22,236.03, 30,684.57 and 12,162.51 is: 16,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.03 : 30,684.57 = 12,162.51 : x
  2. Step 2: Convert to fraction form
    22,236.03/30,684.57 = 12,162.51/x
  3. Step 3: Cross multiply
    22,236.03x = 30,684.57 × 12,162.51
  4. Step 4: Simplify right side
    22,236.03x = 373,201,389.47
  5. Step 5: Solve for x
    x = 373,201,389.47/22,236.03
  6. Step 6: Final answer
    x = 16,783.63

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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.