Home / 13,365.24-18,427.27-8,576.74

Finding the Fourth Proportional to 13,365.24, 18,427.27 and 8,576.74

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Solution

The fourth proportional to 13,365.24, 18,427.27 and 8,576.74 is: 11,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.24 : 18,427.27 = 8,576.74 : x
  2. Step 2: Convert to fraction form
    13,365.24/18,427.27 = 8,576.74/x
  3. Step 3: Cross multiply
    13,365.24x = 18,427.27 × 8,576.74
  4. Step 4: Simplify right side
    13,365.24x = 158,045,903.70
  5. Step 5: Solve for x
    x = 158,045,903.70/13,365.24
  6. Step 6: Final answer
    x = 11,825.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.