Home / 43,986.30-65,979.45-14,405.10

Finding the Fourth Proportional to 43,986.30, 65,979.45 and 14,405.10

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Solution

The fourth proportional to 43,986.30, 65,979.45 and 14,405.10 is: 21,607.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,986.30 : 65,979.45 = 14,405.10 : x
  2. Step 2: Convert to fraction form
    43,986.30/65,979.45 = 14,405.10/x
  3. Step 3: Cross multiply
    43,986.30x = 65,979.45 × 14,405.10
  4. Step 4: Simplify right side
    43,986.30x = 950,440,575.20
  5. Step 5: Solve for x
    x = 950,440,575.20/43,986.30
  6. Step 6: Final answer
    x = 21,607.65

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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.