Home / 19,308.18-28,968.15-9,446.04

Finding the Fourth Proportional to 19,308.18, 28,968.15 and 9,446.04

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Solution

The fourth proportional to 19,308.18, 28,968.15 and 9,446.04 is: 14,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.18 : 28,968.15 = 9,446.04 : x
  2. Step 2: Convert to fraction form
    19,308.18/28,968.15 = 9,446.04/x
  3. Step 3: Cross multiply
    19,308.18x = 28,968.15 × 9,446.04
  4. Step 4: Simplify right side
    19,308.18x = 273,634,303.63
  5. Step 5: Solve for x
    x = 273,634,303.63/19,308.18
  6. Step 6: Final answer
    x = 14,171.94

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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.