Home / 13,021.02-17,968.86-7,052.61

Finding the Fourth Proportional to 13,021.02, 17,968.86 and 7,052.61

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Solution

The fourth proportional to 13,021.02, 17,968.86 and 7,052.61 is: 9,732.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.02 : 17,968.86 = 7,052.61 : x
  2. Step 2: Convert to fraction form
    13,021.02/17,968.86 = 7,052.61/x
  3. Step 3: Cross multiply
    13,021.02x = 17,968.86 × 7,052.61
  4. Step 4: Simplify right side
    13,021.02x = 126,727,361.72
  5. Step 5: Solve for x
    x = 126,727,361.72/13,021.02
  6. Step 6: Final answer
    x = 9,732.52

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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.