Home / 17,383.09-26,109.53-10,376.78

Finding the Fourth Proportional to 17,383.09, 26,109.53 and 10,376.78

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Solution

The fourth proportional to 17,383.09, 26,109.53 and 10,376.78 is: 15,586.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,383.09 : 26,109.53 = 10,376.78 : x
  2. Step 2: Convert to fraction form
    17,383.09/26,109.53 = 10,376.78/x
  3. Step 3: Cross multiply
    17,383.09x = 26,109.53 × 10,376.78
  4. Step 4: Simplify right side
    17,383.09x = 270,932,848.71
  5. Step 5: Solve for x
    x = 270,932,848.71/17,383.09
  6. Step 6: Final answer
    x = 15,586.00

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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.