Home / 17,709.51-26,575.20-7,321.25

Finding the Fourth Proportional to 17,709.51, 26,575.20 and 7,321.25

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Solution

The fourth proportional to 17,709.51, 26,575.20 and 7,321.25 is: 10,986.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,709.51 : 26,575.20 = 7,321.25 : x
  2. Step 2: Convert to fraction form
    17,709.51/26,575.20 = 7,321.25/x
  3. Step 3: Cross multiply
    17,709.51x = 26,575.20 × 7,321.25
  4. Step 4: Simplify right side
    17,709.51x = 194,563,646.39
  5. Step 5: Solve for x
    x = 194,563,646.39/17,709.51
  6. Step 6: Final answer
    x = 10,986.39

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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.