Home / 18,211.52-25,135.84-10,760.64

Finding the Fourth Proportional to 18,211.52, 25,135.84 and 10,760.64

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Solution

The fourth proportional to 18,211.52, 25,135.84 and 10,760.64 is: 14,852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.52 : 25,135.84 = 10,760.64 : x
  2. Step 2: Convert to fraction form
    18,211.52/25,135.84 = 10,760.64/x
  3. Step 3: Cross multiply
    18,211.52x = 25,135.84 × 10,760.64
  4. Step 4: Simplify right side
    18,211.52x = 270,477,725.34
  5. Step 5: Solve for x
    x = 270,477,725.34/18,211.52
  6. Step 6: Final answer
    x = 14,852.01

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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.