Home / 19,364.06-26,720.85-10,865.04

Finding the Fourth Proportional to 19,364.06, 26,720.85 and 10,865.04

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Solution

The fourth proportional to 19,364.06, 26,720.85 and 10,865.04 is: 14,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.06 : 26,720.85 = 10,865.04 : x
  2. Step 2: Convert to fraction form
    19,364.06/26,720.85 = 10,865.04/x
  3. Step 3: Cross multiply
    19,364.06x = 26,720.85 × 10,865.04
  4. Step 4: Simplify right side
    19,364.06x = 290,323,044.62
  5. Step 5: Solve for x
    x = 290,323,044.62/19,364.06
  6. Step 6: Final answer
    x = 14,992.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.