Home / 16,740.10-25,108.78-5,646.56

Finding the Fourth Proportional to 16,740.10, 25,108.78 and 5,646.56

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Solution

The fourth proportional to 16,740.10, 25,108.78 and 5,646.56 is: 8,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.10 : 25,108.78 = 5,646.56 : x
  2. Step 2: Convert to fraction form
    16,740.10/25,108.78 = 5,646.56/x
  3. Step 3: Cross multiply
    16,740.10x = 25,108.78 × 5,646.56
  4. Step 4: Simplify right side
    16,740.10x = 141,778,232.80
  5. Step 5: Solve for x
    x = 141,778,232.80/16,740.10
  6. Step 6: Final answer
    x = 8,469.38

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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.