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Finding the Fourth Proportional to 14,827.71, 20,462.05 and 8,113.24

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Solution

The fourth proportional to 14,827.71, 20,462.05 and 8,113.24 is: 11,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,827.71 : 20,462.05 = 8,113.24 : x
  2. Step 2: Convert to fraction form
    14,827.71/20,462.05 = 8,113.24/x
  3. Step 3: Cross multiply
    14,827.71x = 20,462.05 × 8,113.24
  4. Step 4: Simplify right side
    14,827.71x = 166,013,522.54
  5. Step 5: Solve for x
    x = 166,013,522.54/14,827.71
  6. Step 6: Final answer
    x = 11,196.17

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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.