Home / 19,645.29-29,446.52-9,656.91

Finding the Fourth Proportional to 19,645.29, 29,446.52 and 9,656.91

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Solution

The fourth proportional to 19,645.29, 29,446.52 and 9,656.91 is: 14,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.29 : 29,446.52 = 9,656.91 : x
  2. Step 2: Convert to fraction form
    19,645.29/29,446.52 = 9,656.91/x
  3. Step 3: Cross multiply
    19,645.29x = 29,446.52 × 9,656.91
  4. Step 4: Simplify right side
    19,645.29x = 284,362,345.17
  5. Step 5: Solve for x
    x = 284,362,345.17/19,645.29
  6. Step 6: Final answer
    x = 14,474.84

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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.