Home / 19,117.64-28,676.46-5,971.04

Finding the Fourth Proportional to 19,117.64, 28,676.46 and 5,971.04

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Solution

The fourth proportional to 19,117.64, 28,676.46 and 5,971.04 is: 8,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.64 : 28,676.46 = 5,971.04 : x
  2. Step 2: Convert to fraction form
    19,117.64/28,676.46 = 5,971.04/x
  3. Step 3: Cross multiply
    19,117.64x = 28,676.46 × 5,971.04
  4. Step 4: Simplify right side
    19,117.64x = 171,228,146.34
  5. Step 5: Solve for x
    x = 171,228,146.34/19,117.64
  6. Step 6: Final answer
    x = 8,956.55

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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.