Home / 15,432.36-23,148.58-3,745.56

Finding the Fourth Proportional to 15,432.36, 23,148.58 and 3,745.56

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Solution

The fourth proportional to 15,432.36, 23,148.58 and 3,745.56 is: 5,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.36 : 23,148.58 = 3,745.56 : x
  2. Step 2: Convert to fraction form
    15,432.36/23,148.58 = 3,745.56/x
  3. Step 3: Cross multiply
    15,432.36x = 23,148.58 × 3,745.56
  4. Step 4: Simplify right side
    15,432.36x = 86,704,395.30
  5. Step 5: Solve for x
    x = 86,704,395.30/15,432.36
  6. Step 6: Final answer
    x = 5,618.35

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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.