Home / 15,717.27-23,576.63-5,188.20

Finding the Fourth Proportional to 15,717.27, 23,576.63 and 5,188.20

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Solution

The fourth proportional to 15,717.27, 23,576.63 and 5,188.20 is: 7,782.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717.27 : 23,576.63 = 5,188.20 : x
  2. Step 2: Convert to fraction form
    15,717.27/23,576.63 = 5,188.20/x
  3. Step 3: Cross multiply
    15,717.27x = 23,576.63 × 5,188.20
  4. Step 4: Simplify right side
    15,717.27x = 122,320,271.77
  5. Step 5: Solve for x
    x = 122,320,271.77/15,717.27
  6. Step 6: Final answer
    x = 7,782.54

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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.