Home / 13,673.07-20,509.61-5,353.97

Finding the Fourth Proportional to 13,673.07, 20,509.61 and 5,353.97

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Solution

The fourth proportional to 13,673.07, 20,509.61 and 5,353.97 is: 8,030.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.07 : 20,509.61 = 5,353.97 : x
  2. Step 2: Convert to fraction form
    13,673.07/20,509.61 = 5,353.97/x
  3. Step 3: Cross multiply
    13,673.07x = 20,509.61 × 5,353.97
  4. Step 4: Simplify right side
    13,673.07x = 109,807,707.33
  5. Step 5: Solve for x
    x = 109,807,707.33/13,673.07
  6. Step 6: Final answer
    x = 8,030.95

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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.