Home / 22,748.26-31,390.32-12,676.30

Finding the Fourth Proportional to 22,748.26, 31,390.32 and 12,676.30

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Solution

The fourth proportional to 22,748.26, 31,390.32 and 12,676.30 is: 17,492.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,748.26 : 31,390.32 = 12,676.30 : x
  2. Step 2: Convert to fraction form
    22,748.26/31,390.32 = 12,676.30/x
  3. Step 3: Cross multiply
    22,748.26x = 31,390.32 × 12,676.30
  4. Step 4: Simplify right side
    22,748.26x = 397,913,113.42
  5. Step 5: Solve for x
    x = 397,913,113.42/22,748.26
  6. Step 6: Final answer
    x = 17,492.02

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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.