Home / 12,916.33-19,370.23-5,018.29

Finding the Fourth Proportional to 12,916.33, 19,370.23 and 5,018.29

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Solution

The fourth proportional to 12,916.33, 19,370.23 and 5,018.29 is: 7,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916.33 : 19,370.23 = 5,018.29 : x
  2. Step 2: Convert to fraction form
    12,916.33/19,370.23 = 5,018.29/x
  3. Step 3: Cross multiply
    12,916.33x = 19,370.23 × 5,018.29
  4. Step 4: Simplify right side
    12,916.33x = 97,205,370.54
  5. Step 5: Solve for x
    x = 97,205,370.54/12,916.33
  6. Step 6: Final answer
    x = 7,525.77

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1.5x scale

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.