Home / 16,938.57-25,403.20-7,076.21

Finding the Fourth Proportional to 16,938.57, 25,403.20 and 7,076.21

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Solution

The fourth proportional to 16,938.57, 25,403.20 and 7,076.21 is: 10,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.57 : 25,403.20 = 7,076.21 : x
  2. Step 2: Convert to fraction form
    16,938.57/25,403.20 = 7,076.21/x
  3. Step 3: Cross multiply
    16,938.57x = 25,403.20 × 7,076.21
  4. Step 4: Simplify right side
    16,938.57x = 179,758,423.69
  5. Step 5: Solve for x
    x = 179,758,423.69/16,938.57
  6. Step 6: Final answer
    x = 10,612.37

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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.