Home / 19,134.16-28,714.31-6,654.07

Finding the Fourth Proportional to 19,134.16, 28,714.31 and 6,654.07

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Solution

The fourth proportional to 19,134.16, 28,714.31 and 6,654.07 is: 9,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.16 : 28,714.31 = 6,654.07 : x
  2. Step 2: Convert to fraction form
    19,134.16/28,714.31 = 6,654.07/x
  3. Step 3: Cross multiply
    19,134.16x = 28,714.31 × 6,654.07
  4. Step 4: Simplify right side
    19,134.16x = 191,066,894.80
  5. Step 5: Solve for x
    x = 191,066,894.80/19,134.16
  6. Step 6: Final answer
    x = 9,985.64

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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.