Home / 18,293.28-25,245.99-11,126.00

Finding the Fourth Proportional to 18,293.28, 25,245.99 and 11,126.00

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Solution

The fourth proportional to 18,293.28, 25,245.99 and 11,126.00 is: 15,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.28 : 25,245.99 = 11,126.00 : x
  2. Step 2: Convert to fraction form
    18,293.28/25,245.99 = 11,126.00/x
  3. Step 3: Cross multiply
    18,293.28x = 25,245.99 × 11,126.00
  4. Step 4: Simplify right side
    18,293.28x = 280,886,758.51
  5. Step 5: Solve for x
    x = 280,886,758.51/18,293.28
  6. Step 6: Final answer
    x = 15,354.64

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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.