Home / 19,619.16-29,432.40-6,472.08

Finding the Fourth Proportional to 19,619.16, 29,432.40 and 6,472.08

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Solution

The fourth proportional to 19,619.16, 29,432.40 and 6,472.08 is: 9,709.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.16 : 29,432.40 = 6,472.08 : x
  2. Step 2: Convert to fraction form
    19,619.16/29,432.40 = 6,472.08/x
  3. Step 3: Cross multiply
    19,619.16x = 29,432.40 × 6,472.08
  4. Step 4: Simplify right side
    19,619.16x = 190,488,847.39
  5. Step 5: Solve for x
    x = 190,488,847.39/19,619.16
  6. Step 6: Final answer
    x = 9,709.33

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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.