Home / 13,536.92-20,317.67-9,403.49

Finding the Fourth Proportional to 13,536.92, 20,317.67 and 9,403.49

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Solution

The fourth proportional to 13,536.92, 20,317.67 and 9,403.49 is: 14,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.92 : 20,317.67 = 9,403.49 : x
  2. Step 2: Convert to fraction form
    13,536.92/20,317.67 = 9,403.49/x
  3. Step 3: Cross multiply
    13,536.92x = 20,317.67 × 9,403.49
  4. Step 4: Simplify right side
    13,536.92x = 191,056,928.59
  5. Step 5: Solve for x
    x = 191,056,928.59/13,536.92
  6. Step 6: Final answer
    x = 14,113.77

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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.