Home / 38,080.37-52,551.56-20,854.25

Finding the Fourth Proportional to 38,080.37, 52,551.56 and 20,854.25

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Solution

The fourth proportional to 38,080.37, 52,551.56 and 20,854.25 is: 28,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,080.37 : 52,551.56 = 20,854.25 : x
  2. Step 2: Convert to fraction form
    38,080.37/52,551.56 = 20,854.25/x
  3. Step 3: Cross multiply
    38,080.37x = 52,551.56 × 20,854.25
  4. Step 4: Simplify right side
    38,080.37x = 1,095,923,370.13
  5. Step 5: Solve for x
    x = 1,095,923,370.13/38,080.37
  6. Step 6: Final answer
    x = 28,779.22

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Half scale
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Double scale
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Similar ratio
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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.