Home / 25,999.38-35,879.15-14,671.28

Finding the Fourth Proportional to 25,999.38, 35,879.15 and 14,671.28

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Solution

The fourth proportional to 25,999.38, 35,879.15 and 14,671.28 is: 20,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.38 : 35,879.15 = 14,671.28 : x
  2. Step 2: Convert to fraction form
    25,999.38/35,879.15 = 14,671.28/x
  3. Step 3: Cross multiply
    25,999.38x = 35,879.15 × 14,671.28
  4. Step 4: Simplify right side
    25,999.38x = 526,393,055.81
  5. Step 5: Solve for x
    x = 526,393,055.81/25,999.38
  6. Step 6: Final answer
    x = 20,246.37

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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.