Home / 13,523.63-20,277.32-5,616.60

Finding the Fourth Proportional to 13,523.63, 20,277.32 and 5,616.60

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Solution

The fourth proportional to 13,523.63, 20,277.32 and 5,616.60 is: 8,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.63 : 20,277.32 = 5,616.60 : x
  2. Step 2: Convert to fraction form
    13,523.63/20,277.32 = 5,616.60/x
  3. Step 3: Cross multiply
    13,523.63x = 20,277.32 × 5,616.60
  4. Step 4: Simplify right side
    13,523.63x = 113,889,689.25
  5. Step 5: Solve for x
    x = 113,889,689.25/13,523.63
  6. Step 6: Final answer
    x = 8,421.53

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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.