Home / 26,623.56-39,939.56-9,981.32

Finding the Fourth Proportional to 26,623.56, 39,939.56 and 9,981.32

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Solution

The fourth proportional to 26,623.56, 39,939.56 and 9,981.32 is: 14,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,623.56 : 39,939.56 = 9,981.32 : x
  2. Step 2: Convert to fraction form
    26,623.56/39,939.56 = 9,981.32/x
  3. Step 3: Cross multiply
    26,623.56x = 39,939.56 × 9,981.32
  4. Step 4: Simplify right side
    26,623.56x = 398,649,529.02
  5. Step 5: Solve for x
    x = 398,649,529.02/26,623.56
  6. Step 6: Final answer
    x = 14,973.56

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Similar ratio
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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.