Home / 53,653.26-80,430.62-18,568.38

Finding the Fourth Proportional to 53,653.26, 80,430.62 and 18,568.38

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Solution

The fourth proportional to 53,653.26, 80,430.62 and 18,568.38 is: 27,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,653.26 : 80,430.62 = 18,568.38 : x
  2. Step 2: Convert to fraction form
    53,653.26/80,430.62 = 18,568.38/x
  3. Step 3: Cross multiply
    53,653.26x = 80,430.62 × 18,568.38
  4. Step 4: Simplify right side
    53,653.26x = 1,493,466,222.95
  5. Step 5: Solve for x
    x = 1,493,466,222.95/53,653.26
  6. Step 6: Final answer
    x = 27,835.52

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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.