Home / 17,771.58-26,666.60-7,249.32

Finding the Fourth Proportional to 17,771.58, 26,666.60 and 7,249.32

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Solution

The fourth proportional to 17,771.58, 26,666.60 and 7,249.32 is: 10,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771.58 : 26,666.60 = 7,249.32 : x
  2. Step 2: Convert to fraction form
    17,771.58/26,666.60 = 7,249.32/x
  3. Step 3: Cross multiply
    17,771.58x = 26,666.60 × 7,249.32
  4. Step 4: Simplify right side
    17,771.58x = 193,314,680.47
  5. Step 5: Solve for x
    x = 193,314,680.47/17,771.58
  6. Step 6: Final answer
    x = 10,877.74

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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.