Home / 16,784.39-25,179.80-5,688.11

Finding the Fourth Proportional to 16,784.39, 25,179.80 and 5,688.11

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Solution

The fourth proportional to 16,784.39, 25,179.80 and 5,688.11 is: 8,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,784.39 : 25,179.80 = 5,688.11 : x
  2. Step 2: Convert to fraction form
    16,784.39/25,179.80 = 5,688.11/x
  3. Step 3: Cross multiply
    16,784.39x = 25,179.80 × 5,688.11
  4. Step 4: Simplify right side
    16,784.39x = 143,225,317.84
  5. Step 5: Solve for x
    x = 143,225,317.84/16,784.39
  6. Step 6: Final answer
    x = 8,533.25

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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.