Home / 23,681.42-35,505.64-11,986.64

Finding the Fourth Proportional to 23,681.42, 35,505.64 and 11,986.64

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Solution

The fourth proportional to 23,681.42, 35,505.64 and 11,986.64 is: 17,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,681.42 : 35,505.64 = 11,986.64 : x
  2. Step 2: Convert to fraction form
    23,681.42/35,505.64 = 11,986.64/x
  3. Step 3: Cross multiply
    23,681.42x = 35,505.64 × 11,986.64
  4. Step 4: Simplify right side
    23,681.42x = 425,593,324.65
  5. Step 5: Solve for x
    x = 425,593,324.65/23,681.42
  6. Step 6: Final answer
    x = 17,971.61

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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.