Home / 22,609.09-31,202.21-12,537.45

Finding the Fourth Proportional to 22,609.09, 31,202.21 and 12,537.45

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Solution

The fourth proportional to 22,609.09, 31,202.21 and 12,537.45 is: 17,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.09 : 31,202.21 = 12,537.45 : x
  2. Step 2: Convert to fraction form
    22,609.09/31,202.21 = 12,537.45/x
  3. Step 3: Cross multiply
    22,609.09x = 31,202.21 × 12,537.45
  4. Step 4: Simplify right side
    22,609.09x = 391,196,179.11
  5. Step 5: Solve for x
    x = 391,196,179.11/22,609.09
  6. Step 6: Final answer
    x = 17,302.61

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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.