Home / 13,707.84-20,511.24-9,693.36

Finding the Fourth Proportional to 13,707.84, 20,511.24 and 9,693.36

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Solution

The fourth proportional to 13,707.84, 20,511.24 and 9,693.36 is: 14,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.84 : 20,511.24 = 9,693.36 : x
  2. Step 2: Convert to fraction form
    13,707.84/20,511.24 = 9,693.36/x
  3. Step 3: Cross multiply
    13,707.84x = 20,511.24 × 9,693.36
  4. Step 4: Simplify right side
    13,707.84x = 198,822,833.37
  5. Step 5: Solve for x
    x = 198,822,833.37/13,707.84
  6. Step 6: Final answer
    x = 14,504.32

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1.5x scale

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.