Home / 43,911.08-65,873.04-14,321.66

Finding the Fourth Proportional to 43,911.08, 65,873.04 and 14,321.66

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Solution

The fourth proportional to 43,911.08, 65,873.04 and 14,321.66 is: 21,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,911.08 : 65,873.04 = 14,321.66 : x
  2. Step 2: Convert to fraction form
    43,911.08/65,873.04 = 14,321.66/x
  3. Step 3: Cross multiply
    43,911.08x = 65,873.04 × 14,321.66
  4. Step 4: Simplify right side
    43,911.08x = 943,411,282.05
  5. Step 5: Solve for x
    x = 943,411,282.05/43,911.08
  6. Step 6: Final answer
    x = 21,484.58

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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.