Home / 15,104.53-20,846.97-8,730.25

Finding the Fourth Proportional to 15,104.53, 20,846.97 and 8,730.25

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Solution

The fourth proportional to 15,104.53, 20,846.97 and 8,730.25 is: 12,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.53 : 20,846.97 = 8,730.25 : x
  2. Step 2: Convert to fraction form
    15,104.53/20,846.97 = 8,730.25/x
  3. Step 3: Cross multiply
    15,104.53x = 20,846.97 × 8,730.25
  4. Step 4: Simplify right side
    15,104.53x = 181,999,259.84
  5. Step 5: Solve for x
    x = 181,999,259.84/15,104.53
  6. Step 6: Final answer
    x = 12,049.32

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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.