Home / 18,080.83-26,985.69-16,899.85

Finding the Fourth Proportional to 18,080.83, 26,985.69 and 16,899.85

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Solution

The fourth proportional to 18,080.83, 26,985.69 and 16,899.85 is: 25,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.83 : 26,985.69 = 16,899.85 : x
  2. Step 2: Convert to fraction form
    18,080.83/26,985.69 = 16,899.85/x
  3. Step 3: Cross multiply
    18,080.83x = 26,985.69 × 16,899.85
  4. Step 4: Simplify right side
    18,080.83x = 456,053,893.72
  5. Step 5: Solve for x
    x = 456,053,893.72/18,080.83
  6. Step 6: Final answer
    x = 25,223.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.