Home / 17,537.55-26,312.40-7,683.90

Finding the Fourth Proportional to 17,537.55, 26,312.40 and 7,683.90

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Solution

The fourth proportional to 17,537.55, 26,312.40 and 7,683.90 is: 11,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,537.55 : 26,312.40 = 7,683.90 : x
  2. Step 2: Convert to fraction form
    17,537.55/26,312.40 = 7,683.90/x
  3. Step 3: Cross multiply
    17,537.55x = 26,312.40 × 7,683.90
  4. Step 4: Simplify right side
    17,537.55x = 202,181,850.36
  5. Step 5: Solve for x
    x = 202,181,850.36/17,537.55
  6. Step 6: Final answer
    x = 11,528.51

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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.