Home / 19,563.75-29,345.63-5,712.75

Finding the Fourth Proportional to 19,563.75, 29,345.63 and 5,712.75

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Solution

The fourth proportional to 19,563.75, 29,345.63 and 5,712.75 is: 8,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.75 : 29,345.63 = 5,712.75 : x
  2. Step 2: Convert to fraction form
    19,563.75/29,345.63 = 5,712.75/x
  3. Step 3: Cross multiply
    19,563.75x = 29,345.63 × 5,712.75
  4. Step 4: Simplify right side
    19,563.75x = 167,644,247.78
  5. Step 5: Solve for x
    x = 167,644,247.78/19,563.75
  6. Step 6: Final answer
    x = 8,569.13

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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.