Home / 19,948.63-29,922.85-5,156.29

Finding the Fourth Proportional to 19,948.63, 29,922.85 and 5,156.29

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Solution

The fourth proportional to 19,948.63, 29,922.85 and 5,156.29 is: 7,734.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.63 : 29,922.85 = 5,156.29 : x
  2. Step 2: Convert to fraction form
    19,948.63/29,922.85 = 5,156.29/x
  3. Step 3: Cross multiply
    19,948.63x = 29,922.85 × 5,156.29
  4. Step 4: Simplify right side
    19,948.63x = 154,290,892.23
  5. Step 5: Solve for x
    x = 154,290,892.23/19,948.63
  6. Step 6: Final answer
    x = 7,734.41

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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.