Home / 19,683.46-27,156.68-11,724.60

Finding the Fourth Proportional to 19,683.46, 27,156.68 and 11,724.60

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Solution

The fourth proportional to 19,683.46, 27,156.68 and 11,724.60 is: 16,176.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683.46 : 27,156.68 = 11,724.60 : x
  2. Step 2: Convert to fraction form
    19,683.46/27,156.68 = 11,724.60/x
  3. Step 3: Cross multiply
    19,683.46x = 27,156.68 × 11,724.60
  4. Step 4: Simplify right side
    19,683.46x = 318,401,210.33
  5. Step 5: Solve for x
    x = 318,401,210.33/19,683.46
  6. Step 6: Final answer
    x = 16,176.08

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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.