Home / 17,620.81-24,316.96-9,662.51

Finding the Fourth Proportional to 17,620.81, 24,316.96 and 9,662.51

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Solution

The fourth proportional to 17,620.81, 24,316.96 and 9,662.51 is: 13,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.81 : 24,316.96 = 9,662.51 : x
  2. Step 2: Convert to fraction form
    17,620.81/24,316.96 = 9,662.51/x
  3. Step 3: Cross multiply
    17,620.81x = 24,316.96 × 9,662.51
  4. Step 4: Simplify right side
    17,620.81x = 234,962,787.14
  5. Step 5: Solve for x
    x = 234,962,787.14/17,620.81
  6. Step 6: Final answer
    x = 13,334.39

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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.