Home / 17,605.13-26,417.88-6,519.60

Finding the Fourth Proportional to 17,605.13, 26,417.88 and 6,519.60

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Solution

The fourth proportional to 17,605.13, 26,417.88 and 6,519.60 is: 9,783.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605.13 : 26,417.88 = 6,519.60 : x
  2. Step 2: Convert to fraction form
    17,605.13/26,417.88 = 6,519.60/x
  3. Step 3: Cross multiply
    17,605.13x = 26,417.88 × 6,519.60
  4. Step 4: Simplify right side
    17,605.13x = 172,234,010.45
  5. Step 5: Solve for x
    x = 172,234,010.45/17,605.13
  6. Step 6: Final answer
    x = 9,783.17

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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.