Home / 15,770.09-21,773.75-9,804.44

Finding the Fourth Proportional to 15,770.09, 21,773.75 and 9,804.44

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Solution

The fourth proportional to 15,770.09, 21,773.75 and 9,804.44 is: 13,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.09 : 21,773.75 = 9,804.44 : x
  2. Step 2: Convert to fraction form
    15,770.09/21,773.75 = 9,804.44/x
  3. Step 3: Cross multiply
    15,770.09x = 21,773.75 × 9,804.44
  4. Step 4: Simplify right side
    15,770.09x = 213,479,430.86
  5. Step 5: Solve for x
    x = 213,479,430.86/15,770.09
  6. Step 6: Final answer
    x = 13,536.98

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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.