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Finding the Fourth Proportional to 14,334.76, 19,788.24 and 8,364.16

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Solution

The fourth proportional to 14,334.76, 19,788.24 and 8,364.16 is: 11,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,334.76 : 19,788.24 = 8,364.16 : x
  2. Step 2: Convert to fraction form
    14,334.76/19,788.24 = 8,364.16/x
  3. Step 3: Cross multiply
    14,334.76x = 19,788.24 × 8,364.16
  4. Step 4: Simplify right side
    14,334.76x = 165,512,005.48
  5. Step 5: Solve for x
    x = 165,512,005.48/14,334.76
  6. Step 6: Final answer
    x = 11,546.20

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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.