Home / 25,447.98-35,095.20-15,888.73

Finding the Fourth Proportional to 25,447.98, 35,095.20 and 15,888.73

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Solution

The fourth proportional to 25,447.98, 35,095.20 and 15,888.73 is: 21,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,447.98 : 35,095.20 = 15,888.73 : x
  2. Step 2: Convert to fraction form
    25,447.98/35,095.20 = 15,888.73/x
  3. Step 3: Cross multiply
    25,447.98x = 35,095.20 × 15,888.73
  4. Step 4: Simplify right side
    25,447.98x = 557,618,069.36
  5. Step 5: Solve for x
    x = 557,618,069.36/25,447.98
  6. Step 6: Final answer
    x = 21,912.08

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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.