Home / 16,804.56-25,208.08-5,117.80

Finding the Fourth Proportional to 16,804.56, 25,208.08 and 5,117.80

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Solution

The fourth proportional to 16,804.56, 25,208.08 and 5,117.80 is: 7,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,804.56 : 25,208.08 = 5,117.80 : x
  2. Step 2: Convert to fraction form
    16,804.56/25,208.08 = 5,117.80/x
  3. Step 3: Cross multiply
    16,804.56x = 25,208.08 × 5,117.80
  4. Step 4: Simplify right side
    16,804.56x = 129,009,911.82
  5. Step 5: Solve for x
    x = 129,009,911.82/16,804.56
  6. Step 6: Final answer
    x = 7,677.08

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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.