Home / 19,952.21-27,533.94-10,999.68

Finding the Fourth Proportional to 19,952.21, 27,533.94 and 10,999.68

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Solution

The fourth proportional to 19,952.21, 27,533.94 and 10,999.68 is: 15,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.21 : 27,533.94 = 10,999.68 : x
  2. Step 2: Convert to fraction form
    19,952.21/27,533.94 = 10,999.68/x
  3. Step 3: Cross multiply
    19,952.21x = 27,533.94 × 10,999.68
  4. Step 4: Simplify right side
    19,952.21x = 302,864,529.14
  5. Step 5: Solve for x
    x = 302,864,529.14/19,952.21
  6. Step 6: Final answer
    x = 15,179.50

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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.