Home / 13,788.51-20,691-5,024.04

Finding the Fourth Proportional to 13,788.51, 20,691 and 5,024.04

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Solution

The fourth proportional to 13,788.51, 20,691 and 5,024.04 is: 7,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.51 : 20,691 = 5,024.04 : x
  2. Step 2: Convert to fraction form
    13,788.51/20,691 = 5,024.04/x
  3. Step 3: Cross multiply
    13,788.51x = 20,691 × 5,024.04
  4. Step 4: Simplify right side
    13,788.51x = 103,952,411.64
  5. Step 5: Solve for x
    x = 103,952,411.64/13,788.51
  6. Step 6: Final answer
    x = 7,539.06

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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.