Home / 37,620.64-56,422.86-15,412.60

Finding the Fourth Proportional to 37,620.64, 56,422.86 and 15,412.60

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Solution

The fourth proportional to 37,620.64, 56,422.86 and 15,412.60 is: 23,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,620.64 : 56,422.86 = 15,412.60 : x
  2. Step 2: Convert to fraction form
    37,620.64/56,422.86 = 15,412.60/x
  3. Step 3: Cross multiply
    37,620.64x = 56,422.86 × 15,412.60
  4. Step 4: Simplify right side
    37,620.64x = 869,622,972.04
  5. Step 5: Solve for x
    x = 869,622,972.04/37,620.64
  6. Step 6: Final answer
    x = 23,115.58

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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.