Home / 55,182.75-82,774.40-13,629.75

Finding the Fourth Proportional to 55,182.75, 82,774.40 and 13,629.75

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Solution

The fourth proportional to 55,182.75, 82,774.40 and 13,629.75 is: 20,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182.75 : 82,774.40 = 13,629.75 : x
  2. Step 2: Convert to fraction form
    55,182.75/82,774.40 = 13,629.75/x
  3. Step 3: Cross multiply
    55,182.75x = 82,774.40 × 13,629.75
  4. Step 4: Simplify right side
    55,182.75x = 1,128,194,378.40
  5. Step 5: Solve for x
    x = 1,128,194,378.40/55,182.75
  6. Step 6: Final answer
    x = 20,444.69

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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.