Home / 18,150.72-25,047.36-11,088.96

Finding the Fourth Proportional to 18,150.72, 25,047.36 and 11,088.96

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Solution

The fourth proportional to 18,150.72, 25,047.36 and 11,088.96 is: 15,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.72 : 25,047.36 = 11,088.96 : x
  2. Step 2: Convert to fraction form
    18,150.72/25,047.36 = 11,088.96/x
  3. Step 3: Cross multiply
    18,150.72x = 25,047.36 × 11,088.96
  4. Step 4: Simplify right side
    18,150.72x = 277,749,173.15
  5. Step 5: Solve for x
    x = 277,749,173.15/18,150.72
  6. Step 6: Final answer
    x = 15,302.38

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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.