Home / 17,315.28-25,989.12-9,513.36

Finding the Fourth Proportional to 17,315.28, 25,989.12 and 9,513.36

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Solution

The fourth proportional to 17,315.28, 25,989.12 and 9,513.36 is: 14,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,315.28 : 25,989.12 = 9,513.36 : x
  2. Step 2: Convert to fraction form
    17,315.28/25,989.12 = 9,513.36/x
  3. Step 3: Cross multiply
    17,315.28x = 25,989.12 × 9,513.36
  4. Step 4: Simplify right side
    17,315.28x = 247,243,854.64
  5. Step 5: Solve for x
    x = 247,243,854.64/17,315.28
  6. Step 6: Final answer
    x = 14,278.94

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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.