Home / 26,112.32-39,161.28-8,580.32

Finding the Fourth Proportional to 26,112.32, 39,161.28 and 8,580.32

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Solution

The fourth proportional to 26,112.32, 39,161.28 and 8,580.32 is: 12,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,112.32 : 39,161.28 = 8,580.32 : x
  2. Step 2: Convert to fraction form
    26,112.32/39,161.28 = 8,580.32/x
  3. Step 3: Cross multiply
    26,112.32x = 39,161.28 × 8,580.32
  4. Step 4: Simplify right side
    26,112.32x = 336,016,314.01
  5. Step 5: Solve for x
    x = 336,016,314.01/26,112.32
  6. Step 6: Final answer
    x = 12,868.11

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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.