Home / 19,579.46-27,019.36-11,083.19

Finding the Fourth Proportional to 19,579.46, 27,019.36 and 11,083.19

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Solution

The fourth proportional to 19,579.46, 27,019.36 and 11,083.19 is: 15,294.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.46 : 27,019.36 = 11,083.19 : x
  2. Step 2: Convert to fraction form
    19,579.46/27,019.36 = 11,083.19/x
  3. Step 3: Cross multiply
    19,579.46x = 27,019.36 × 11,083.19
  4. Step 4: Simplify right side
    19,579.46x = 299,460,639.08
  5. Step 5: Solve for x
    x = 299,460,639.08/19,579.46
  6. Step 6: Final answer
    x = 15,294.64

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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.