Home / 43,566.22-65,343.15-13,980.23

Finding the Fourth Proportional to 43,566.22, 65,343.15 and 13,980.23

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Solution

The fourth proportional to 43,566.22, 65,343.15 and 13,980.23 is: 20,968.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,566.22 : 65,343.15 = 13,980.23 : x
  2. Step 2: Convert to fraction form
    43,566.22/65,343.15 = 13,980.23/x
  3. Step 3: Cross multiply
    43,566.22x = 65,343.15 × 13,980.23
  4. Step 4: Simplify right side
    43,566.22x = 913,511,869.31
  5. Step 5: Solve for x
    x = 913,511,869.31/43,566.22
  6. Step 6: Final answer
    x = 20,968.36

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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.