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Finding the Fourth Proportional to 16,692.57, 25,038.86 and 13,389.39

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Solution

The fourth proportional to 16,692.57, 25,038.86 and 13,389.39 is: 20,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,692.57 : 25,038.86 = 13,389.39 : x
  2. Step 2: Convert to fraction form
    16,692.57/25,038.86 = 13,389.39/x
  3. Step 3: Cross multiply
    16,692.57x = 25,038.86 × 13,389.39
  4. Step 4: Simplify right side
    16,692.57x = 335,254,994.75
  5. Step 5: Solve for x
    x = 335,254,994.75/16,692.57
  6. Step 6: Final answer
    x = 20,084.09

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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.