Home / 17,388.31-23,995.79-9,430.53

Finding the Fourth Proportional to 17,388.31, 23,995.79 and 9,430.53

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Solution

The fourth proportional to 17,388.31, 23,995.79 and 9,430.53 is: 13,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388.31 : 23,995.79 = 9,430.53 : x
  2. Step 2: Convert to fraction form
    17,388.31/23,995.79 = 9,430.53/x
  3. Step 3: Cross multiply
    17,388.31x = 23,995.79 × 9,430.53
  4. Step 4: Simplify right side
    17,388.31x = 226,293,005.68
  5. Step 5: Solve for x
    x = 226,293,005.68/17,388.31
  6. Step 6: Final answer
    x = 13,014.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.