Home / 19,054.51-26,267.81-13,371.65

Finding the Fourth Proportional to 19,054.51, 26,267.81 and 13,371.65

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Solution

The fourth proportional to 19,054.51, 26,267.81 and 13,371.65 is: 18,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,054.51 : 26,267.81 = 13,371.65 : x
  2. Step 2: Convert to fraction form
    19,054.51/26,267.81 = 13,371.65/x
  3. Step 3: Cross multiply
    19,054.51x = 26,267.81 × 13,371.65
  4. Step 4: Simplify right side
    19,054.51x = 351,243,960.40
  5. Step 5: Solve for x
    x = 351,243,960.40/19,054.51
  6. Step 6: Final answer
    x = 18,433.64

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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.