Home / 26,040.40-39,032.60-11,256.32

Finding the Fourth Proportional to 26,040.40, 39,032.60 and 11,256.32

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Solution

The fourth proportional to 26,040.40, 39,032.60 and 11,256.32 is: 16,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,040.40 : 39,032.60 = 11,256.32 : x
  2. Step 2: Convert to fraction form
    26,040.40/39,032.60 = 11,256.32/x
  3. Step 3: Cross multiply
    26,040.40x = 39,032.60 × 11,256.32
  4. Step 4: Simplify right side
    26,040.40x = 439,363,436.03
  5. Step 5: Solve for x
    x = 439,363,436.03/26,040.40
  6. Step 6: Final answer
    x = 16,872.38

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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.