Home / 17,421.95-26,131.23-4,941.87

Finding the Fourth Proportional to 17,421.95, 26,131.23 and 4,941.87

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Solution

The fourth proportional to 17,421.95, 26,131.23 and 4,941.87 is: 7,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,421.95 : 26,131.23 = 4,941.87 : x
  2. Step 2: Convert to fraction form
    17,421.95/26,131.23 = 4,941.87/x
  3. Step 3: Cross multiply
    17,421.95x = 26,131.23 × 4,941.87
  4. Step 4: Simplify right side
    17,421.95x = 129,137,141.60
  5. Step 5: Solve for x
    x = 129,137,141.60/17,421.95
  6. Step 6: Final answer
    x = 7,412.33

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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.