Home / 13,783.44-19,020.79-8,041.99

Finding the Fourth Proportional to 13,783.44, 19,020.79 and 8,041.99

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Solution

The fourth proportional to 13,783.44, 19,020.79 and 8,041.99 is: 11,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.44 : 19,020.79 = 8,041.99 : x
  2. Step 2: Convert to fraction form
    13,783.44/19,020.79 = 8,041.99/x
  3. Step 3: Cross multiply
    13,783.44x = 19,020.79 × 8,041.99
  4. Step 4: Simplify right side
    13,783.44x = 152,965,002.97
  5. Step 5: Solve for x
    x = 152,965,002.97/13,783.44
  6. Step 6: Final answer
    x = 11,097.74

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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.