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Finding the Fourth Proportional to 14,425.92, 21,621.12 and 11,492.16

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Solution

The fourth proportional to 14,425.92, 21,621.12 and 11,492.16 is: 17,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.92 : 21,621.12 = 11,492.16 : x
  2. Step 2: Convert to fraction form
    14,425.92/21,621.12 = 11,492.16/x
  3. Step 3: Cross multiply
    14,425.92x = 21,621.12 × 11,492.16
  4. Step 4: Simplify right side
    14,425.92x = 248,473,370.42
  5. Step 5: Solve for x
    x = 248,473,370.42/14,425.92
  6. Step 6: Final answer
    x = 17,224.09

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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.