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Finding the Fourth Proportional to 14,832.20, 22,205.10 and 13,104.20

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Solution

The fourth proportional to 14,832.20, 22,205.10 and 13,104.20 is: 19,618.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,832.20 : 22,205.10 = 13,104.20 : x
  2. Step 2: Convert to fraction form
    14,832.20/22,205.10 = 13,104.20/x
  3. Step 3: Cross multiply
    14,832.20x = 22,205.10 × 13,104.20
  4. Step 4: Simplify right side
    14,832.20x = 290,980,071.42
  5. Step 5: Solve for x
    x = 290,980,071.42/14,832.20
  6. Step 6: Final answer
    x = 19,618.13

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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.