Home / 14,321.68-21,474.96-4,459.12

Finding the Fourth Proportional to 14,321.68, 21,474.96 and 4,459.12

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Solution

The fourth proportional to 14,321.68, 21,474.96 and 4,459.12 is: 6,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.68 : 21,474.96 = 4,459.12 : x
  2. Step 2: Convert to fraction form
    14,321.68/21,474.96 = 4,459.12/x
  3. Step 3: Cross multiply
    14,321.68x = 21,474.96 × 4,459.12
  4. Step 4: Simplify right side
    14,321.68x = 95,759,423.64
  5. Step 5: Solve for x
    x = 95,759,423.64/14,321.68
  6. Step 6: Final answer
    x = 6,686.33

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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.