Home / 16,655.10-22,980.27-9,939.43

Finding the Fourth Proportional to 16,655.10, 22,980.27 and 9,939.43

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Solution

The fourth proportional to 16,655.10, 22,980.27 and 9,939.43 is: 13,714.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.10 : 22,980.27 = 9,939.43 : x
  2. Step 2: Convert to fraction form
    16,655.10/22,980.27 = 9,939.43/x
  3. Step 3: Cross multiply
    16,655.10x = 22,980.27 × 9,939.43
  4. Step 4: Simplify right side
    16,655.10x = 228,410,785.05
  5. Step 5: Solve for x
    x = 228,410,785.05/16,655.10
  6. Step 6: Final answer
    x = 13,714.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.