Home / 17,235.68-23,757.60-12,980.48

Finding the Fourth Proportional to 17,235.68, 23,757.60 and 12,980.48

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Solution

The fourth proportional to 17,235.68, 23,757.60 and 12,980.48 is: 17,892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,235.68 : 23,757.60 = 12,980.48 : x
  2. Step 2: Convert to fraction form
    17,235.68/23,757.60 = 12,980.48/x
  3. Step 3: Cross multiply
    17,235.68x = 23,757.60 × 12,980.48
  4. Step 4: Simplify right side
    17,235.68x = 308,385,051.65
  5. Step 5: Solve for x
    x = 308,385,051.65/17,235.68
  6. Step 6: Final answer
    x = 17,892.25

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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.