Home / 20,175.02-27,840.92-11,678.52

Finding the Fourth Proportional to 20,175.02, 27,840.92 and 11,678.52

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Solution

The fourth proportional to 20,175.02, 27,840.92 and 11,678.52 is: 16,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.02 : 27,840.92 = 11,678.52 : x
  2. Step 2: Convert to fraction form
    20,175.02/27,840.92 = 11,678.52/x
  3. Step 3: Cross multiply
    20,175.02x = 27,840.92 × 11,678.52
  4. Step 4: Simplify right side
    20,175.02x = 325,140,682.65
  5. Step 5: Solve for x
    x = 325,140,682.65/20,175.02
  6. Step 6: Final answer
    x = 16,116.01

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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.