Home / 17,670.89-26,515.40-9,771.95

Finding the Fourth Proportional to 17,670.89, 26,515.40 and 9,771.95

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Solution

The fourth proportional to 17,670.89, 26,515.40 and 9,771.95 is: 14,662.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670.89 : 26,515.40 = 9,771.95 : x
  2. Step 2: Convert to fraction form
    17,670.89/26,515.40 = 9,771.95/x
  3. Step 3: Cross multiply
    17,670.89x = 26,515.40 × 9,771.95
  4. Step 4: Simplify right side
    17,670.89x = 259,106,981.59
  5. Step 5: Solve for x
    x = 259,106,981.59/17,670.89
  6. Step 6: Final answer
    x = 14,662.93

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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.