Home / 53,360.56-80,040.81-13,917.57

Finding the Fourth Proportional to 53,360.56, 80,040.81 and 13,917.57

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Solution

The fourth proportional to 53,360.56, 80,040.81 and 13,917.57 is: 20,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,360.56 : 80,040.81 = 13,917.57 : x
  2. Step 2: Convert to fraction form
    53,360.56/80,040.81 = 13,917.57/x
  3. Step 3: Cross multiply
    53,360.56x = 80,040.81 × 13,917.57
  4. Step 4: Simplify right side
    53,360.56x = 1,113,973,576.03
  5. Step 5: Solve for x
    x = 1,113,973,576.03/53,360.56
  6. Step 6: Final answer
    x = 20,876.35

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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.