Home / 19,734.92-27,236.08-10,783.78

Finding the Fourth Proportional to 19,734.92, 27,236.08 and 10,783.78

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Solution

The fourth proportional to 19,734.92, 27,236.08 and 10,783.78 is: 14,882.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.92 : 27,236.08 = 10,783.78 : x
  2. Step 2: Convert to fraction form
    19,734.92/27,236.08 = 10,783.78/x
  3. Step 3: Cross multiply
    19,734.92x = 27,236.08 × 10,783.78
  4. Step 4: Simplify right side
    19,734.92x = 293,707,894.78
  5. Step 5: Solve for x
    x = 293,707,894.78/19,734.92
  6. Step 6: Final answer
    x = 14,882.65

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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.