Home / 18,517.02-25,554.06-10,133.52

Finding the Fourth Proportional to 18,517.02, 25,554.06 and 10,133.52

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Solution

The fourth proportional to 18,517.02, 25,554.06 and 10,133.52 is: 13,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.02 : 25,554.06 = 10,133.52 : x
  2. Step 2: Convert to fraction form
    18,517.02/25,554.06 = 10,133.52/x
  3. Step 3: Cross multiply
    18,517.02x = 25,554.06 × 10,133.52
  4. Step 4: Simplify right side
    18,517.02x = 258,952,578.09
  5. Step 5: Solve for x
    x = 258,952,578.09/18,517.02
  6. Step 6: Final answer
    x = 13,984.57

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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.