Home / 13,828.76-19,083.66-7,541.12

Finding the Fourth Proportional to 13,828.76, 19,083.66 and 7,541.12

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Solution

The fourth proportional to 13,828.76, 19,083.66 and 7,541.12 is: 10,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.76 : 19,083.66 = 7,541.12 : x
  2. Step 2: Convert to fraction form
    13,828.76/19,083.66 = 7,541.12/x
  3. Step 3: Cross multiply
    13,828.76x = 19,083.66 × 7,541.12
  4. Step 4: Simplify right side
    13,828.76x = 143,912,170.10
  5. Step 5: Solve for x
    x = 143,912,170.10/13,828.76
  6. Step 6: Final answer
    x = 10,406.73

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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.