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Finding the Fourth Proportional to 16,813.60, 25,220.40 and 14,934.40

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Solution

The fourth proportional to 16,813.60, 25,220.40 and 14,934.40 is: 22,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.60 : 25,220.40 = 14,934.40 : x
  2. Step 2: Convert to fraction form
    16,813.60/25,220.40 = 14,934.40/x
  3. Step 3: Cross multiply
    16,813.60x = 25,220.40 × 14,934.40
  4. Step 4: Simplify right side
    16,813.60x = 376,651,541.76
  5. Step 5: Solve for x
    x = 376,651,541.76/16,813.60
  6. Step 6: Final answer
    x = 22,401.60

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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.