Home / 19,813.51-27,345.44-12,262.28

Finding the Fourth Proportional to 19,813.51, 27,345.44 and 12,262.28

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Solution

The fourth proportional to 19,813.51, 27,345.44 and 12,262.28 is: 16,923.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.51 : 27,345.44 = 12,262.28 : x
  2. Step 2: Convert to fraction form
    19,813.51/27,345.44 = 12,262.28/x
  3. Step 3: Cross multiply
    19,813.51x = 27,345.44 × 12,262.28
  4. Step 4: Simplify right side
    19,813.51x = 335,317,335.93
  5. Step 5: Solve for x
    x = 335,317,335.93/19,813.51
  6. Step 6: Final answer
    x = 16,923.67

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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.