Home / 17,939.10-26,900.55-8,073.30

Finding the Fourth Proportional to 17,939.10, 26,900.55 and 8,073.30

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Solution

The fourth proportional to 17,939.10, 26,900.55 and 8,073.30 is: 12,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.10 : 26,900.55 = 8,073.30 : x
  2. Step 2: Convert to fraction form
    17,939.10/26,900.55 = 8,073.30/x
  3. Step 3: Cross multiply
    17,939.10x = 26,900.55 × 8,073.30
  4. Step 4: Simplify right side
    17,939.10x = 217,176,210.32
  5. Step 5: Solve for x
    x = 217,176,210.32/17,939.10
  6. Step 6: Final answer
    x = 12,106.30

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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.