Home / 18,975.28-26,185.86-10,591.78

Finding the Fourth Proportional to 18,975.28, 26,185.86 and 10,591.78

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Solution

The fourth proportional to 18,975.28, 26,185.86 and 10,591.78 is: 14,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.28 : 26,185.86 = 10,591.78 : x
  2. Step 2: Convert to fraction form
    18,975.28/26,185.86 = 10,591.78/x
  3. Step 3: Cross multiply
    18,975.28x = 26,185.86 × 10,591.78
  4. Step 4: Simplify right side
    18,975.28x = 277,354,868.23
  5. Step 5: Solve for x
    x = 277,354,868.23/18,975.28
  6. Step 6: Final answer
    x = 14,616.64

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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.