Home / 13,462.47-18,577.26-8,426.46

Finding the Fourth Proportional to 13,462.47, 18,577.26 and 8,426.46

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Solution

The fourth proportional to 13,462.47, 18,577.26 and 8,426.46 is: 11,627.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.47 : 18,577.26 = 8,426.46 : x
  2. Step 2: Convert to fraction form
    13,462.47/18,577.26 = 8,426.46/x
  3. Step 3: Cross multiply
    13,462.47x = 18,577.26 × 8,426.46
  4. Step 4: Simplify right side
    13,462.47x = 156,540,538.30
  5. Step 5: Solve for x
    x = 156,540,538.30/13,462.47
  6. Step 6: Final answer
    x = 11,627.92

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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.