Home / 16,782.12-25,171.55-5,095.44

Finding the Fourth Proportional to 16,782.12, 25,171.55 and 5,095.44

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Solution

The fourth proportional to 16,782.12, 25,171.55 and 5,095.44 is: 7,642.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.12 : 25,171.55 = 5,095.44 : x
  2. Step 2: Convert to fraction form
    16,782.12/25,171.55 = 5,095.44/x
  3. Step 3: Cross multiply
    16,782.12x = 25,171.55 × 5,095.44
  4. Step 4: Simplify right side
    16,782.12x = 128,259,971.40
  5. Step 5: Solve for x
    x = 128,259,971.40/16,782.12
  6. Step 6: Final answer
    x = 7,642.66

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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.