Home / 19,526.72-29,247.55-10,138.41

Finding the Fourth Proportional to 19,526.72, 29,247.55 and 10,138.41

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Solution

The fourth proportional to 19,526.72, 29,247.55 and 10,138.41 is: 15,185.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.72 : 29,247.55 = 10,138.41 : x
  2. Step 2: Convert to fraction form
    19,526.72/29,247.55 = 10,138.41/x
  3. Step 3: Cross multiply
    19,526.72x = 29,247.55 × 10,138.41
  4. Step 4: Simplify right side
    19,526.72x = 296,523,628.05
  5. Step 5: Solve for x
    x = 296,523,628.05/19,526.72
  6. Step 6: Final answer
    x = 15,185.54

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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.