Home / 19,828.10-29,742.08-5,036.96

Finding the Fourth Proportional to 19,828.10, 29,742.08 and 5,036.96

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Solution

The fourth proportional to 19,828.10, 29,742.08 and 5,036.96 is: 7,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.10 : 29,742.08 = 5,036.96 : x
  2. Step 2: Convert to fraction form
    19,828.10/29,742.08 = 5,036.96/x
  3. Step 3: Cross multiply
    19,828.10x = 29,742.08 × 5,036.96
  4. Step 4: Simplify right side
    19,828.10x = 149,809,493.38
  5. Step 5: Solve for x
    x = 149,809,493.38/19,828.10
  6. Step 6: Final answer
    x = 7,555.42

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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.