Home / 19,606.03-29,403.57-7,916.51

Finding the Fourth Proportional to 19,606.03, 29,403.57 and 7,916.51

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Solution

The fourth proportional to 19,606.03, 29,403.57 and 7,916.51 is: 11,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.03 : 29,403.57 = 7,916.51 : x
  2. Step 2: Convert to fraction form
    19,606.03/29,403.57 = 7,916.51/x
  3. Step 3: Cross multiply
    19,606.03x = 29,403.57 × 7,916.51
  4. Step 4: Simplify right side
    19,606.03x = 232,773,655.94
  5. Step 5: Solve for x
    x = 232,773,655.94/19,606.03
  6. Step 6: Final answer
    x = 11,872.55

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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.