Home / 19,653.26-29,480.12-8,407.07

Finding the Fourth Proportional to 19,653.26, 29,480.12 and 8,407.07

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Solution

The fourth proportional to 19,653.26, 29,480.12 and 8,407.07 is: 12,610.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.26 : 29,480.12 = 8,407.07 : x
  2. Step 2: Convert to fraction form
    19,653.26/29,480.12 = 8,407.07/x
  3. Step 3: Cross multiply
    19,653.26x = 29,480.12 × 8,407.07
  4. Step 4: Simplify right side
    19,653.26x = 247,841,527.17
  5. Step 5: Solve for x
    x = 247,841,527.17/19,653.26
  6. Step 6: Final answer
    x = 12,610.71

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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.