Home / 20,219.10-27,776.96-16,671.30

Finding the Fourth Proportional to 20,219.10, 27,776.96 and 16,671.30

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Solution

The fourth proportional to 20,219.10, 27,776.96 and 16,671.30 is: 22,903.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.10 : 27,776.96 = 16,671.30 : x
  2. Step 2: Convert to fraction form
    20,219.10/27,776.96 = 16,671.30/x
  3. Step 3: Cross multiply
    20,219.10x = 27,776.96 × 16,671.30
  4. Step 4: Simplify right side
    20,219.10x = 463,077,949.89
  5. Step 5: Solve for x
    x = 463,077,949.89/20,219.10
  6. Step 6: Final answer
    x = 22,903.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.