Home / 19,186.53-28,726.65-9,806.35

Finding the Fourth Proportional to 19,186.53, 28,726.65 and 9,806.35

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Solution

The fourth proportional to 19,186.53, 28,726.65 and 9,806.35 is: 14,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.53 : 28,726.65 = 9,806.35 : x
  2. Step 2: Convert to fraction form
    19,186.53/28,726.65 = 9,806.35/x
  3. Step 3: Cross multiply
    19,186.53x = 28,726.65 × 9,806.35
  4. Step 4: Simplify right side
    19,186.53x = 281,703,549.18
  5. Step 5: Solve for x
    x = 281,703,549.18/19,186.53
  6. Step 6: Final answer
    x = 14,682.36

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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.