Home / 13,356.93-18,426.76-8,048.73

Finding the Fourth Proportional to 13,356.93, 18,426.76 and 8,048.73

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Solution

The fourth proportional to 13,356.93, 18,426.76 and 8,048.73 is: 11,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.93 : 18,426.76 = 8,048.73 : x
  2. Step 2: Convert to fraction form
    13,356.93/18,426.76 = 8,048.73/x
  3. Step 3: Cross multiply
    13,356.93x = 18,426.76 × 8,048.73
  4. Step 4: Simplify right side
    13,356.93x = 148,312,016.01
  5. Step 5: Solve for x
    x = 148,312,016.01/13,356.93
  6. Step 6: Final answer
    x = 11,103.75

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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.