Home / 16,401.90-24,566.40-12,692.10

Finding the Fourth Proportional to 16,401.90, 24,566.40 and 12,692.10

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Solution

The fourth proportional to 16,401.90, 24,566.40 and 12,692.10 is: 19,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,401.90 : 24,566.40 = 12,692.10 : x
  2. Step 2: Convert to fraction form
    16,401.90/24,566.40 = 12,692.10/x
  3. Step 3: Cross multiply
    16,401.90x = 24,566.40 × 12,692.10
  4. Step 4: Simplify right side
    16,401.90x = 311,799,205.44
  5. Step 5: Solve for x
    x = 311,799,205.44/16,401.90
  6. Step 6: Final answer
    x = 19,009.94

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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.