Home / 19,832.40-27,369.36-10,880.64

Finding the Fourth Proportional to 19,832.40, 27,369.36 and 10,880.64

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Solution

The fourth proportional to 19,832.40, 27,369.36 and 10,880.64 is: 15,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,832.40 : 27,369.36 = 10,880.64 : x
  2. Step 2: Convert to fraction form
    19,832.40/27,369.36 = 10,880.64/x
  3. Step 3: Cross multiply
    19,832.40x = 27,369.36 × 10,880.64
  4. Step 4: Simplify right side
    19,832.40x = 297,796,153.19
  5. Step 5: Solve for x
    x = 297,796,153.19/19,832.40
  6. Step 6: Final answer
    x = 15,015.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.