Home / 13,350.21-20,023.21-4,465.47

Finding the Fourth Proportional to 13,350.21, 20,023.21 and 4,465.47

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Solution

The fourth proportional to 13,350.21, 20,023.21 and 4,465.47 is: 6,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.21 : 20,023.21 = 4,465.47 : x
  2. Step 2: Convert to fraction form
    13,350.21/20,023.21 = 4,465.47/x
  3. Step 3: Cross multiply
    13,350.21x = 20,023.21 × 4,465.47
  4. Step 4: Simplify right side
    13,350.21x = 89,413,043.56
  5. Step 5: Solve for x
    x = 89,413,043.56/13,350.21
  6. Step 6: Final answer
    x = 6,697.50

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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.