Home / 19,712.34-29,516.76-15,745.32

Finding the Fourth Proportional to 19,712.34, 29,516.76 and 15,745.32

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Solution

The fourth proportional to 19,712.34, 29,516.76 and 15,745.32 is: 23,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.34 : 29,516.76 = 15,745.32 : x
  2. Step 2: Convert to fraction form
    19,712.34/29,516.76 = 15,745.32/x
  3. Step 3: Cross multiply
    19,712.34x = 29,516.76 × 15,745.32
  4. Step 4: Simplify right side
    19,712.34x = 464,750,831.56
  5. Step 5: Solve for x
    x = 464,750,831.56/19,712.34
  6. Step 6: Final answer
    x = 23,576.64

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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.