Home / 16,805.77-25,208.65-5,720.41

Finding the Fourth Proportional to 16,805.77, 25,208.65 and 5,720.41

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Solution

The fourth proportional to 16,805.77, 25,208.65 and 5,720.41 is: 8,580.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.77 : 25,208.65 = 5,720.41 : x
  2. Step 2: Convert to fraction form
    16,805.77/25,208.65 = 5,720.41/x
  3. Step 3: Cross multiply
    16,805.77x = 25,208.65 × 5,720.41
  4. Step 4: Simplify right side
    16,805.77x = 144,203,813.55
  5. Step 5: Solve for x
    x = 144,203,813.55/16,805.77
  6. Step 6: Final answer
    x = 8,580.61

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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.