Home / 53,226.12-79,845.36-17,690.64

Finding the Fourth Proportional to 53,226.12, 79,845.36 and 17,690.64

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Solution

The fourth proportional to 53,226.12, 79,845.36 and 17,690.64 is: 26,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,226.12 : 79,845.36 = 17,690.64 : x
  2. Step 2: Convert to fraction form
    53,226.12/79,845.36 = 17,690.64/x
  3. Step 3: Cross multiply
    53,226.12x = 79,845.36 × 17,690.64
  4. Step 4: Simplify right side
    53,226.12x = 1,412,515,519.43
  5. Step 5: Solve for x
    x = 1,412,515,519.43/53,226.12
  6. Step 6: Final answer
    x = 26,538.01

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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.