Home / 13,464.34-20,165.16-12,997.24

Finding the Fourth Proportional to 13,464.34, 20,165.16 and 12,997.24

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Solution

The fourth proportional to 13,464.34, 20,165.16 and 12,997.24 is: 19,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.34 : 20,165.16 = 12,997.24 : x
  2. Step 2: Convert to fraction form
    13,464.34/20,165.16 = 12,997.24/x
  3. Step 3: Cross multiply
    13,464.34x = 20,165.16 × 12,997.24
  4. Step 4: Simplify right side
    13,464.34x = 262,091,424.16
  5. Step 5: Solve for x
    x = 262,091,424.16/13,464.34
  6. Step 6: Final answer
    x = 19,465.60

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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.