Home / 26,040.66-39,028.50-12,702.66

Finding the Fourth Proportional to 26,040.66, 39,028.50 and 12,702.66

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Solution

The fourth proportional to 26,040.66, 39,028.50 and 12,702.66 is: 19,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,040.66 : 39,028.50 = 12,702.66 : x
  2. Step 2: Convert to fraction form
    26,040.66/39,028.50 = 12,702.66/x
  3. Step 3: Cross multiply
    26,040.66x = 39,028.50 × 12,702.66
  4. Step 4: Simplify right side
    26,040.66x = 495,765,765.81
  5. Step 5: Solve for x
    x = 495,765,765.81/26,040.66
  6. Step 6: Final answer
    x = 19,038.14

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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.