Home / 22,776.44-31,431.29-12,567.57

Finding the Fourth Proportional to 22,776.44, 31,431.29 and 12,567.57

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Solution

The fourth proportional to 22,776.44, 31,431.29 and 12,567.57 is: 17,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,776.44 : 31,431.29 = 12,567.57 : x
  2. Step 2: Convert to fraction form
    22,776.44/31,431.29 = 12,567.57/x
  3. Step 3: Cross multiply
    22,776.44x = 31,431.29 × 12,567.57
  4. Step 4: Simplify right side
    22,776.44x = 395,014,874.43
  5. Step 5: Solve for x
    x = 395,014,874.43/22,776.44
  6. Step 6: Final answer
    x = 17,343.14

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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.