Home / 17,967.90-26,965.98-12,460

Finding the Fourth Proportional to 17,967.90, 26,965.98 and 12,460

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Solution

The fourth proportional to 17,967.90, 26,965.98 and 12,460 is: 18,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967.90 : 26,965.98 = 12,460 : x
  2. Step 2: Convert to fraction form
    17,967.90/26,965.98 = 12,460/x
  3. Step 3: Cross multiply
    17,967.90x = 26,965.98 × 12,460
  4. Step 4: Simplify right side
    17,967.90x = 335,996,110.80
  5. Step 5: Solve for x
    x = 335,996,110.80/17,967.90
  6. Step 6: Final answer
    x = 18,699.80

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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.