Home / 13,260.28-19,846.68-11,802.28

Finding the Fourth Proportional to 13,260.28, 19,846.68 and 11,802.28

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Solution

The fourth proportional to 13,260.28, 19,846.68 and 11,802.28 is: 17,664.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.28 : 19,846.68 = 11,802.28 : x
  2. Step 2: Convert to fraction form
    13,260.28/19,846.68 = 11,802.28/x
  3. Step 3: Cross multiply
    13,260.28x = 19,846.68 × 11,802.28
  4. Step 4: Simplify right side
    13,260.28x = 234,236,074.43
  5. Step 5: Solve for x
    x = 234,236,074.43/13,260.28
  6. Step 6: Final answer
    x = 17,664.49

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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.