Home / 14,051.16-21,070.57-5,279.91

Finding the Fourth Proportional to 14,051.16, 21,070.57 and 5,279.91

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Solution

The fourth proportional to 14,051.16, 21,070.57 and 5,279.91 is: 7,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.16 : 21,070.57 = 5,279.91 : x
  2. Step 2: Convert to fraction form
    14,051.16/21,070.57 = 5,279.91/x
  3. Step 3: Cross multiply
    14,051.16x = 21,070.57 × 5,279.91
  4. Step 4: Simplify right side
    14,051.16x = 111,250,713.25
  5. Step 5: Solve for x
    x = 111,250,713.25/14,051.16
  6. Step 6: Final answer
    x = 7,917.55

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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.