Home / 22,230.03-30,676.29-12,156.51

Finding the Fourth Proportional to 22,230.03, 30,676.29 and 12,156.51

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Solution

The fourth proportional to 22,230.03, 30,676.29 and 12,156.51 is: 16,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,230.03 : 30,676.29 = 12,156.51 : x
  2. Step 2: Convert to fraction form
    22,230.03/30,676.29 = 12,156.51/x
  3. Step 3: Cross multiply
    22,230.03x = 30,676.29 × 12,156.51
  4. Step 4: Simplify right side
    22,230.03x = 372,916,626.15
  5. Step 5: Solve for x
    x = 372,916,626.15/22,230.03
  6. Step 6: Final answer
    x = 16,775.35

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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.