Home / 26,415.60-39,623.40-8,883.60

Finding the Fourth Proportional to 26,415.60, 39,623.40 and 8,883.60

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Solution

The fourth proportional to 26,415.60, 39,623.40 and 8,883.60 is: 13,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415.60 : 39,623.40 = 8,883.60 : x
  2. Step 2: Convert to fraction form
    26,415.60/39,623.40 = 8,883.60/x
  3. Step 3: Cross multiply
    26,415.60x = 39,623.40 × 8,883.60
  4. Step 4: Simplify right side
    26,415.60x = 351,998,436.24
  5. Step 5: Solve for x
    x = 351,998,436.24/26,415.60
  6. Step 6: Final answer
    x = 13,325.40

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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.