Home / 20,753.10-31,064.85-16,346.70

Finding the Fourth Proportional to 20,753.10, 31,064.85 and 16,346.70

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Solution

The fourth proportional to 20,753.10, 31,064.85 and 16,346.70 is: 24,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753.10 : 31,064.85 = 16,346.70 : x
  2. Step 2: Convert to fraction form
    20,753.10/31,064.85 = 16,346.70/x
  3. Step 3: Cross multiply
    20,753.10x = 31,064.85 × 16,346.70
  4. Step 4: Simplify right side
    20,753.10x = 507,807,783.50
  5. Step 5: Solve for x
    x = 507,807,783.50/20,753.10
  6. Step 6: Final answer
    x = 24,469.01

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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.