Home / 25,905.40-38,858.10-16,996.60

Finding the Fourth Proportional to 25,905.40, 38,858.10 and 16,996.60

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Solution

The fourth proportional to 25,905.40, 38,858.10 and 16,996.60 is: 25,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,905.40 : 38,858.10 = 16,996.60 : x
  2. Step 2: Convert to fraction form
    25,905.40/38,858.10 = 16,996.60/x
  3. Step 3: Cross multiply
    25,905.40x = 38,858.10 × 16,996.60
  4. Step 4: Simplify right side
    25,905.40x = 660,455,582.46
  5. Step 5: Solve for x
    x = 660,455,582.46/25,905.40
  6. Step 6: Final answer
    x = 25,494.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.