Home / 20,597.83-30,861.45-11,244.40

Finding the Fourth Proportional to 20,597.83, 30,861.45 and 11,244.40

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Solution

The fourth proportional to 20,597.83, 30,861.45 and 11,244.40 is: 16,847.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597.83 : 30,861.45 = 11,244.40 : x
  2. Step 2: Convert to fraction form
    20,597.83/30,861.45 = 11,244.40/x
  3. Step 3: Cross multiply
    20,597.83x = 30,861.45 × 11,244.40
  4. Step 4: Simplify right side
    20,597.83x = 347,018,411.23
  5. Step 5: Solve for x
    x = 347,018,411.23/20,597.83
  6. Step 6: Final answer
    x = 16,847.33

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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.