Home / 13,824.10-20,736.15-10,368.10

Finding the Fourth Proportional to 13,824.10, 20,736.15 and 10,368.10

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Solution

The fourth proportional to 13,824.10, 20,736.15 and 10,368.10 is: 15,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.10 : 20,736.15 = 10,368.10 : x
  2. Step 2: Convert to fraction form
    13,824.10/20,736.15 = 10,368.10/x
  3. Step 3: Cross multiply
    13,824.10x = 20,736.15 × 10,368.10
  4. Step 4: Simplify right side
    13,824.10x = 214,994,476.82
  5. Step 5: Solve for x
    x = 214,994,476.82/13,824.10
  6. Step 6: Final answer
    x = 15,552.15

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Similar ratio
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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.