Home / 17,685.65-26,525.59-5,202.75

Finding the Fourth Proportional to 17,685.65, 26,525.59 and 5,202.75

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Solution

The fourth proportional to 17,685.65, 26,525.59 and 5,202.75 is: 7,803.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.65 : 26,525.59 = 5,202.75 : x
  2. Step 2: Convert to fraction form
    17,685.65/26,525.59 = 5,202.75/x
  3. Step 3: Cross multiply
    17,685.65x = 26,525.59 × 5,202.75
  4. Step 4: Simplify right side
    17,685.65x = 138,006,083.26
  5. Step 5: Solve for x
    x = 138,006,083.26/17,685.65
  6. Step 6: Final answer
    x = 7,803.28

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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.