Home / 14,975.62-20,668.27-12,453.39

Finding the Fourth Proportional to 14,975.62, 20,668.27 and 12,453.39

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Solution

The fourth proportional to 14,975.62, 20,668.27 and 12,453.39 is: 17,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.62 : 20,668.27 = 12,453.39 : x
  2. Step 2: Convert to fraction form
    14,975.62/20,668.27 = 12,453.39/x
  3. Step 3: Cross multiply
    14,975.62x = 20,668.27 × 12,453.39
  4. Step 4: Simplify right side
    14,975.62x = 257,390,026.94
  5. Step 5: Solve for x
    x = 257,390,026.94/14,975.62
  6. Step 6: Final answer
    x = 17,187.27

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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.