Home / 19,847.68-27,390.32-10,895.76

Finding the Fourth Proportional to 19,847.68, 27,390.32 and 10,895.76

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Solution

The fourth proportional to 19,847.68, 27,390.32 and 10,895.76 is: 15,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847.68 : 27,390.32 = 10,895.76 : x
  2. Step 2: Convert to fraction form
    19,847.68/27,390.32 = 10,895.76/x
  3. Step 3: Cross multiply
    19,847.68x = 27,390.32 × 10,895.76
  4. Step 4: Simplify right side
    19,847.68x = 298,438,353.04
  5. Step 5: Solve for x
    x = 298,438,353.04/19,847.68
  6. Step 6: Final answer
    x = 15,036.44

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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.