Home / 18,465.66-27,681.75-7,370.01

Finding the Fourth Proportional to 18,465.66, 27,681.75 and 7,370.01

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Solution

The fourth proportional to 18,465.66, 27,681.75 and 7,370.01 is: 11,048.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.66 : 27,681.75 = 7,370.01 : x
  2. Step 2: Convert to fraction form
    18,465.66/27,681.75 = 7,370.01/x
  3. Step 3: Cross multiply
    18,465.66x = 27,681.75 × 7,370.01
  4. Step 4: Simplify right side
    18,465.66x = 204,014,774.32
  5. Step 5: Solve for x
    x = 204,014,774.32/18,465.66
  6. Step 6: Final answer
    x = 11,048.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.