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Finding the Fourth Proportional to 15,256.90, 22,894.14 and 8,236.90

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Solution

The fourth proportional to 15,256.90, 22,894.14 and 8,236.90 is: 12,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,256.90 : 22,894.14 = 8,236.90 : x
  2. Step 2: Convert to fraction form
    15,256.90/22,894.14 = 8,236.90/x
  3. Step 3: Cross multiply
    15,256.90x = 22,894.14 × 8,236.90
  4. Step 4: Simplify right side
    15,256.90x = 188,576,741.77
  5. Step 5: Solve for x
    x = 188,576,741.77/15,256.90
  6. Step 6: Final answer
    x = 12,360.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.