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Finding the Fourth Proportional to 18,103.66, 24,984.03 and 10,148.44

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Solution

The fourth proportional to 18,103.66, 24,984.03 and 10,148.44 is: 14,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.66 : 24,984.03 = 10,148.44 : x
  2. Step 2: Convert to fraction form
    18,103.66/24,984.03 = 10,148.44/x
  3. Step 3: Cross multiply
    18,103.66x = 24,984.03 × 10,148.44
  4. Step 4: Simplify right side
    18,103.66x = 253,548,929.41
  5. Step 5: Solve for x
    x = 253,548,929.41/18,103.66
  6. Step 6: Final answer
    x = 14,005.40

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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.