Home / 53,693.46-80,541-18,634.23

Finding the Fourth Proportional to 53,693.46, 80,541 and 18,634.23

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Solution

The fourth proportional to 53,693.46, 80,541 and 18,634.23 is: 27,951.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,693.46 : 80,541 = 18,634.23 : x
  2. Step 2: Convert to fraction form
    53,693.46/80,541 = 18,634.23/x
  3. Step 3: Cross multiply
    53,693.46x = 80,541 × 18,634.23
  4. Step 4: Simplify right side
    53,693.46x = 1,500,819,518.43
  5. Step 5: Solve for x
    x = 1,500,819,518.43/53,693.46
  6. Step 6: Final answer
    x = 27,951.63

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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.