Home / 13,972.74-19,291.23-8,673.18

Finding the Fourth Proportional to 13,972.74, 19,291.23 and 8,673.18

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Solution

The fourth proportional to 13,972.74, 19,291.23 and 8,673.18 is: 11,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.74 : 19,291.23 = 8,673.18 : x
  2. Step 2: Convert to fraction form
    13,972.74/19,291.23 = 8,673.18/x
  3. Step 3: Cross multiply
    13,972.74x = 19,291.23 × 8,673.18
  4. Step 4: Simplify right side
    13,972.74x = 167,316,310.21
  5. Step 5: Solve for x
    x = 167,316,310.21/13,972.74
  6. Step 6: Final answer
    x = 11,974.48

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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.