Home / 16,783.77-25,176.87-5,097.90

Finding the Fourth Proportional to 16,783.77, 25,176.87 and 5,097.90

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Solution

The fourth proportional to 16,783.77, 25,176.87 and 5,097.90 is: 7,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.77 : 25,176.87 = 5,097.90 : x
  2. Step 2: Convert to fraction form
    16,783.77/25,176.87 = 5,097.90/x
  3. Step 3: Cross multiply
    16,783.77x = 25,176.87 × 5,097.90
  4. Step 4: Simplify right side
    16,783.77x = 128,349,140.08
  5. Step 5: Solve for x
    x = 128,349,140.08/16,783.77
  6. Step 6: Final answer
    x = 7,647.22

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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.