Home / 14,051.90-21,078.47-4,690.04

Finding the Fourth Proportional to 14,051.90, 21,078.47 and 4,690.04

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Solution

The fourth proportional to 14,051.90, 21,078.47 and 4,690.04 is: 7,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.90 : 21,078.47 = 4,690.04 : x
  2. Step 2: Convert to fraction form
    14,051.90/21,078.47 = 4,690.04/x
  3. Step 3: Cross multiply
    14,051.90x = 21,078.47 × 4,690.04
  4. Step 4: Simplify right side
    14,051.90x = 98,858,773.77
  5. Step 5: Solve for x
    x = 98,858,773.77/14,051.90
  6. Step 6: Final answer
    x = 7,035.26

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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.