Home / 13,627.50-18,798.26-8,583.05

Finding the Fourth Proportional to 13,627.50, 18,798.26 and 8,583.05

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Solution

The fourth proportional to 13,627.50, 18,798.26 and 8,583.05 is: 11,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.50 : 18,798.26 = 8,583.05 : x
  2. Step 2: Convert to fraction form
    13,627.50/18,798.26 = 8,583.05/x
  3. Step 3: Cross multiply
    13,627.50x = 18,798.26 × 8,583.05
  4. Step 4: Simplify right side
    13,627.50x = 161,346,268.59
  5. Step 5: Solve for x
    x = 161,346,268.59/13,627.50
  6. Step 6: Final answer
    x = 11,839.76

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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.