Home / 15,008.20-20,725.14-10,054.60

Finding the Fourth Proportional to 15,008.20, 20,725.14 and 10,054.60

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Solution

The fourth proportional to 15,008.20, 20,725.14 and 10,054.60 is: 13,884.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.20 : 20,725.14 = 10,054.60 : x
  2. Step 2: Convert to fraction form
    15,008.20/20,725.14 = 10,054.60/x
  3. Step 3: Cross multiply
    15,008.20x = 20,725.14 × 10,054.60
  4. Step 4: Simplify right side
    15,008.20x = 208,382,992.64
  5. Step 5: Solve for x
    x = 208,382,992.64/15,008.20
  6. Step 6: Final answer
    x = 13,884.61

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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.