Home / 18,130.56-27,195.84-4,984.32

Finding the Fourth Proportional to 18,130.56, 27,195.84 and 4,984.32

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Solution

The fourth proportional to 18,130.56, 27,195.84 and 4,984.32 is: 7,476.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.56 : 27,195.84 = 4,984.32 : x
  2. Step 2: Convert to fraction form
    18,130.56/27,195.84 = 4,984.32/x
  3. Step 3: Cross multiply
    18,130.56x = 27,195.84 × 4,984.32
  4. Step 4: Simplify right side
    18,130.56x = 135,552,769.23
  5. Step 5: Solve for x
    x = 135,552,769.23/18,130.56
  6. Step 6: Final answer
    x = 7,476.48

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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.