Home / 17,052.09-23,531.26-9,978.36

Finding the Fourth Proportional to 17,052.09, 23,531.26 and 9,978.36

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Solution

The fourth proportional to 17,052.09, 23,531.26 and 9,978.36 is: 13,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,052.09 : 23,531.26 = 9,978.36 : x
  2. Step 2: Convert to fraction form
    17,052.09/23,531.26 = 9,978.36/x
  3. Step 3: Cross multiply
    17,052.09x = 23,531.26 × 9,978.36
  4. Step 4: Simplify right side
    17,052.09x = 234,803,289.05
  5. Step 5: Solve for x
    x = 234,803,289.05/17,052.09
  6. Step 6: Final answer
    x = 13,769.77

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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.