Home / 14,405.16-21,607.68-5,646.24

Finding the Fourth Proportional to 14,405.16, 21,607.68 and 5,646.24

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Solution

The fourth proportional to 14,405.16, 21,607.68 and 5,646.24 is: 8,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.16 : 21,607.68 = 5,646.24 : x
  2. Step 2: Convert to fraction form
    14,405.16/21,607.68 = 5,646.24/x
  3. Step 3: Cross multiply
    14,405.16x = 21,607.68 × 5,646.24
  4. Step 4: Simplify right side
    14,405.16x = 122,002,147.12
  5. Step 5: Solve for x
    x = 122,002,147.12/14,405.16
  6. Step 6: Final answer
    x = 8,469.34

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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.