Home / 14,689.44-20,273.28-9,101.28

Finding the Fourth Proportional to 14,689.44, 20,273.28 and 9,101.28

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Solution

The fourth proportional to 14,689.44, 20,273.28 and 9,101.28 is: 12,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.44 : 20,273.28 = 9,101.28 : x
  2. Step 2: Convert to fraction form
    14,689.44/20,273.28 = 9,101.28/x
  3. Step 3: Cross multiply
    14,689.44x = 20,273.28 × 9,101.28
  4. Step 4: Simplify right side
    14,689.44x = 184,512,797.80
  5. Step 5: Solve for x
    x = 184,512,797.80/14,689.44
  6. Step 6: Final answer
    x = 12,560.91

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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.