Home / 20,734.90-31,076.43-16,334.98

Finding the Fourth Proportional to 20,734.90, 31,076.43 and 16,334.98

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Solution

The fourth proportional to 20,734.90, 31,076.43 and 16,334.98 is: 24,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.90 : 31,076.43 = 16,334.98 : x
  2. Step 2: Convert to fraction form
    20,734.90/31,076.43 = 16,334.98/x
  3. Step 3: Cross multiply
    20,734.90x = 31,076.43 × 16,334.98
  4. Step 4: Simplify right side
    20,734.90x = 507,632,862.52
  5. Step 5: Solve for x
    x = 507,632,862.52/20,734.90
  6. Step 6: Final answer
    x = 24,482.05

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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.