Home / 53,673.05-80,511.75-13,693.07

Finding the Fourth Proportional to 53,673.05, 80,511.75 and 13,693.07

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Solution

The fourth proportional to 53,673.05, 80,511.75 and 13,693.07 is: 20,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,673.05 : 80,511.75 = 13,693.07 : x
  2. Step 2: Convert to fraction form
    53,673.05/80,511.75 = 13,693.07/x
  3. Step 3: Cross multiply
    53,673.05x = 80,511.75 × 13,693.07
  4. Step 4: Simplify right side
    53,673.05x = 1,102,452,626.01
  5. Step 5: Solve for x
    x = 1,102,452,626.01/53,673.05
  6. Step 6: Final answer
    x = 20,540.15

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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.