Home / 18,838.14-25,997.88-10,454.64

Finding the Fourth Proportional to 18,838.14, 25,997.88 and 10,454.64

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Solution

The fourth proportional to 18,838.14, 25,997.88 and 10,454.64 is: 14,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.14 : 25,997.88 = 10,454.64 : x
  2. Step 2: Convert to fraction form
    18,838.14/25,997.88 = 10,454.64/x
  3. Step 3: Cross multiply
    18,838.14x = 25,997.88 × 10,454.64
  4. Step 4: Simplify right side
    18,838.14x = 271,798,476.16
  5. Step 5: Solve for x
    x = 271,798,476.16/18,838.14
  6. Step 6: Final answer
    x = 14,428.10

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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.