Home / 17,124.96-25,678.56-9,331.68

Finding the Fourth Proportional to 17,124.96, 25,678.56 and 9,331.68

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Solution

The fourth proportional to 17,124.96, 25,678.56 and 9,331.68 is: 13,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,124.96 : 25,678.56 = 9,331.68 : x
  2. Step 2: Convert to fraction form
    17,124.96/25,678.56 = 9,331.68/x
  3. Step 3: Cross multiply
    17,124.96x = 25,678.56 × 9,331.68
  4. Step 4: Simplify right side
    17,124.96x = 239,624,104.78
  5. Step 5: Solve for x
    x = 239,624,104.78/17,124.96
  6. Step 6: Final answer
    x = 13,992.68

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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.