Home / 26,028.64-39,064.80-13,553

Finding the Fourth Proportional to 26,028.64, 39,064.80 and 13,553

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Solution

The fourth proportional to 26,028.64, 39,064.80 and 13,553 is: 20,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,028.64 : 39,064.80 = 13,553 : x
  2. Step 2: Convert to fraction form
    26,028.64/39,064.80 = 13,553/x
  3. Step 3: Cross multiply
    26,028.64x = 39,064.80 × 13,553
  4. Step 4: Simplify right side
    26,028.64x = 529,445,234.40
  5. Step 5: Solve for x
    x = 529,445,234.40/26,028.64
  6. Step 6: Final answer
    x = 20,340.87

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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.