Home / 43,533.12-65,297.40-11,940.86

Finding the Fourth Proportional to 43,533.12, 65,297.40 and 11,940.86

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Solution

The fourth proportional to 43,533.12, 65,297.40 and 11,940.86 is: 17,910.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,533.12 : 65,297.40 = 11,940.86 : x
  2. Step 2: Convert to fraction form
    43,533.12/65,297.40 = 11,940.86/x
  3. Step 3: Cross multiply
    43,533.12x = 65,297.40 × 11,940.86
  4. Step 4: Simplify right side
    43,533.12x = 779,707,111.76
  5. Step 5: Solve for x
    x = 779,707,111.76/43,533.12
  6. Step 6: Final answer
    x = 17,910.66

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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.