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Finding the Fourth Proportional to 14,363.28, 19,822.08 and 8,076.06

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Solution

The fourth proportional to 14,363.28, 19,822.08 and 8,076.06 is: 11,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363.28 : 19,822.08 = 8,076.06 : x
  2. Step 2: Convert to fraction form
    14,363.28/19,822.08 = 8,076.06/x
  3. Step 3: Cross multiply
    14,363.28x = 19,822.08 × 8,076.06
  4. Step 4: Simplify right side
    14,363.28x = 160,084,307.40
  5. Step 5: Solve for x
    x = 160,084,307.40/14,363.28
  6. Step 6: Final answer
    x = 11,145.39

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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.