Home / 20,584.68-28,407.98-11,632.56

Finding the Fourth Proportional to 20,584.68, 28,407.98 and 11,632.56

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Solution

The fourth proportional to 20,584.68, 28,407.98 and 11,632.56 is: 16,053.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.68 : 28,407.98 = 11,632.56 : x
  2. Step 2: Convert to fraction form
    20,584.68/28,407.98 = 11,632.56/x
  3. Step 3: Cross multiply
    20,584.68x = 28,407.98 × 11,632.56
  4. Step 4: Simplify right side
    20,584.68x = 330,457,531.83
  5. Step 5: Solve for x
    x = 330,457,531.83/20,584.68
  6. Step 6: Final answer
    x = 16,053.57

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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.