Home / 18,017.24-27,002.34-13,036.39

Finding the Fourth Proportional to 18,017.24, 27,002.34 and 13,036.39

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Solution

The fourth proportional to 18,017.24, 27,002.34 and 13,036.39 is: 19,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.24 : 27,002.34 = 13,036.39 : x
  2. Step 2: Convert to fraction form
    18,017.24/27,002.34 = 13,036.39/x
  3. Step 3: Cross multiply
    18,017.24x = 27,002.34 × 13,036.39
  4. Step 4: Simplify right side
    18,017.24x = 352,012,900.14
  5. Step 5: Solve for x
    x = 352,012,900.14/18,017.24
  6. Step 6: Final answer
    x = 19,537.57

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1.5x scale

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.