Home / 16,472.47-22,735.23-12,880.33

Finding the Fourth Proportional to 16,472.47, 22,735.23 and 12,880.33

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Solution

The fourth proportional to 16,472.47, 22,735.23 and 12,880.33 is: 17,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,472.47 : 22,735.23 = 12,880.33 : x
  2. Step 2: Convert to fraction form
    16,472.47/22,735.23 = 12,880.33/x
  3. Step 3: Cross multiply
    16,472.47x = 22,735.23 × 12,880.33
  4. Step 4: Simplify right side
    16,472.47x = 292,837,151.35
  5. Step 5: Solve for x
    x = 292,837,151.35/16,472.47
  6. Step 6: Final answer
    x = 17,777.37

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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.