Home / 12,326.26-18,489.53-3,561.25

Finding the Fourth Proportional to 12,326.26, 18,489.53 and 3,561.25

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Solution

The fourth proportional to 12,326.26, 18,489.53 and 3,561.25 is: 5,341.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.26 : 18,489.53 = 3,561.25 : x
  2. Step 2: Convert to fraction form
    12,326.26/18,489.53 = 3,561.25/x
  3. Step 3: Cross multiply
    12,326.26x = 18,489.53 × 3,561.25
  4. Step 4: Simplify right side
    12,326.26x = 65,845,838.71
  5. Step 5: Solve for x
    x = 65,845,838.71/12,326.26
  6. Step 6: Final answer
    x = 5,341.92

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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.