Home / 14,650.45-20,229.27-13,530.94

Finding the Fourth Proportional to 14,650.45, 20,229.27 and 13,530.94

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Solution

The fourth proportional to 14,650.45, 20,229.27 and 13,530.94 is: 18,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.45 : 20,229.27 = 13,530.94 : x
  2. Step 2: Convert to fraction form
    14,650.45/20,229.27 = 13,530.94/x
  3. Step 3: Cross multiply
    14,650.45x = 20,229.27 × 13,530.94
  4. Step 4: Simplify right side
    14,650.45x = 273,721,038.61
  5. Step 5: Solve for x
    x = 273,721,038.61/14,650.45
  6. Step 6: Final answer
    x = 18,683.46

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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.