Home / 13,828.91-19,083.86-7,541.29

Finding the Fourth Proportional to 13,828.91, 19,083.86 and 7,541.29

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Solution

The fourth proportional to 13,828.91, 19,083.86 and 7,541.29 is: 10,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.91 : 19,083.86 = 7,541.29 : x
  2. Step 2: Convert to fraction form
    13,828.91/19,083.86 = 7,541.29/x
  3. Step 3: Cross multiply
    13,828.91x = 19,083.86 × 7,541.29
  4. Step 4: Simplify right side
    13,828.91x = 143,916,922.58
  5. Step 5: Solve for x
    x = 143,916,922.58/13,828.91
  6. Step 6: Final answer
    x = 10,406.96

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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.