Home / 15,766.58-21,758.02-8,693.25

Finding the Fourth Proportional to 15,766.58, 21,758.02 and 8,693.25

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Solution

The fourth proportional to 15,766.58, 21,758.02 and 8,693.25 is: 11,996.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766.58 : 21,758.02 = 8,693.25 : x
  2. Step 2: Convert to fraction form
    15,766.58/21,758.02 = 8,693.25/x
  3. Step 3: Cross multiply
    15,766.58x = 21,758.02 × 8,693.25
  4. Step 4: Simplify right side
    15,766.58x = 189,147,907.37
  5. Step 5: Solve for x
    x = 189,147,907.37/15,766.58
  6. Step 6: Final answer
    x = 11,996.76

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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.