Home / 43,260.06-64,896.48-13,671.18

Finding the Fourth Proportional to 43,260.06, 64,896.48 and 13,671.18

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Solution

The fourth proportional to 43,260.06, 64,896.48 and 13,671.18 is: 20,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,260.06 : 64,896.48 = 13,671.18 : x
  2. Step 2: Convert to fraction form
    43,260.06/64,896.48 = 13,671.18/x
  3. Step 3: Cross multiply
    43,260.06x = 64,896.48 × 13,671.18
  4. Step 4: Simplify right side
    43,260.06x = 887,211,459.45
  5. Step 5: Solve for x
    x = 887,211,459.45/43,260.06
  6. Step 6: Final answer
    x = 20,508.79

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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.