Home / 14,516.23-20,043.72-11,153.71

Finding the Fourth Proportional to 14,516.23, 20,043.72 and 11,153.71

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Solution

The fourth proportional to 14,516.23, 20,043.72 and 11,153.71 is: 15,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.23 : 20,043.72 = 11,153.71 : x
  2. Step 2: Convert to fraction form
    14,516.23/20,043.72 = 11,153.71/x
  3. Step 3: Cross multiply
    14,516.23x = 20,043.72 × 11,153.71
  4. Step 4: Simplify right side
    14,516.23x = 223,561,840.20
  5. Step 5: Solve for x
    x = 223,561,840.20/14,516.23
  6. Step 6: Final answer
    x = 15,400.82

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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.