Home / 22,748.37-31,390.51-12,676.43

Finding the Fourth Proportional to 22,748.37, 31,390.51 and 12,676.43

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Solution

The fourth proportional to 22,748.37, 31,390.51 and 12,676.43 is: 17,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,748.37 : 31,390.51 = 12,676.43 : x
  2. Step 2: Convert to fraction form
    22,748.37/31,390.51 = 12,676.43/x
  3. Step 3: Cross multiply
    22,748.37x = 31,390.51 × 12,676.43
  4. Step 4: Simplify right side
    22,748.37x = 397,919,602.68
  5. Step 5: Solve for x
    x = 397,919,602.68/22,748.37
  6. Step 6: Final answer
    x = 17,492.22

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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.