Home / 17,086.28-25,629.20-14,158.45

Finding the Fourth Proportional to 17,086.28, 25,629.20 and 14,158.45

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Solution

The fourth proportional to 17,086.28, 25,629.20 and 14,158.45 is: 21,237.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.28 : 25,629.20 = 14,158.45 : x
  2. Step 2: Convert to fraction form
    17,086.28/25,629.20 = 14,158.45/x
  3. Step 3: Cross multiply
    17,086.28x = 25,629.20 × 14,158.45
  4. Step 4: Simplify right side
    17,086.28x = 362,869,746.74
  5. Step 5: Solve for x
    x = 362,869,746.74/17,086.28
  6. Step 6: Final answer
    x = 21,237.49

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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.