Home / 19,708.18-29,585.67-15,551.17

Finding the Fourth Proportional to 19,708.18, 29,585.67 and 15,551.17

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Solution

The fourth proportional to 19,708.18, 29,585.67 and 15,551.17 is: 23,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.18 : 29,585.67 = 15,551.17 : x
  2. Step 2: Convert to fraction form
    19,708.18/29,585.67 = 15,551.17/x
  3. Step 3: Cross multiply
    19,708.18x = 29,585.67 × 15,551.17
  4. Step 4: Simplify right side
    19,708.18x = 460,091,783.73
  5. Step 5: Solve for x
    x = 460,091,783.73/19,708.18
  6. Step 6: Final answer
    x = 23,345.22

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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.