Home / 19,746.79-27,249.78-10,794.40

Finding the Fourth Proportional to 19,746.79, 27,249.78 and 10,794.40

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Solution

The fourth proportional to 19,746.79, 27,249.78 and 10,794.40 is: 14,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,746.79 : 27,249.78 = 10,794.40 : x
  2. Step 2: Convert to fraction form
    19,746.79/27,249.78 = 10,794.40/x
  3. Step 3: Cross multiply
    19,746.79x = 27,249.78 × 10,794.40
  4. Step 4: Simplify right side
    19,746.79x = 294,145,025.23
  5. Step 5: Solve for x
    x = 294,145,025.23/19,746.79
  6. Step 6: Final answer
    x = 14,895.84

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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.