Home / 43,523.15-65,267.30-18,574.34

Finding the Fourth Proportional to 43,523.15, 65,267.30 and 18,574.34

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Solution

The fourth proportional to 43,523.15, 65,267.30 and 18,574.34 is: 27,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,523.15 : 65,267.30 = 18,574.34 : x
  2. Step 2: Convert to fraction form
    43,523.15/65,267.30 = 18,574.34/x
  3. Step 3: Cross multiply
    43,523.15x = 65,267.30 × 18,574.34
  4. Step 4: Simplify right side
    43,523.15x = 1,212,296,741.18
  5. Step 5: Solve for x
    x = 1,212,296,741.18/43,523.15
  6. Step 6: Final answer
    x = 27,854.07

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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.