Home / 17,349.31-26,007.36-11,430.78

Finding the Fourth Proportional to 17,349.31, 26,007.36 and 11,430.78

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Solution

The fourth proportional to 17,349.31, 26,007.36 and 11,430.78 is: 17,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,349.31 : 26,007.36 = 11,430.78 : x
  2. Step 2: Convert to fraction form
    17,349.31/26,007.36 = 11,430.78/x
  3. Step 3: Cross multiply
    17,349.31x = 26,007.36 × 11,430.78
  4. Step 4: Simplify right side
    17,349.31x = 297,284,410.54
  5. Step 5: Solve for x
    x = 297,284,410.54/17,349.31
  6. Step 6: Final answer
    x = 17,135.23

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1.5x scale

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.