Home / 19,816.18-27,346.47-10,863.75

Finding the Fourth Proportional to 19,816.18, 27,346.47 and 10,863.75

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Solution

The fourth proportional to 19,816.18, 27,346.47 and 10,863.75 is: 14,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.18 : 27,346.47 = 10,863.75 : x
  2. Step 2: Convert to fraction form
    19,816.18/27,346.47 = 10,863.75/x
  3. Step 3: Cross multiply
    19,816.18x = 27,346.47 × 10,863.75
  4. Step 4: Simplify right side
    19,816.18x = 297,085,259.60
  5. Step 5: Solve for x
    x = 297,085,259.60/19,816.18
  6. Step 6: Final answer
    x = 14,992.05

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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.