Home / 18,527.56-27,795.64-5,380.16

Finding the Fourth Proportional to 18,527.56, 27,795.64 and 5,380.16

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Solution

The fourth proportional to 18,527.56, 27,795.64 and 5,380.16 is: 8,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.56 : 27,795.64 = 5,380.16 : x
  2. Step 2: Convert to fraction form
    18,527.56/27,795.64 = 5,380.16/x
  3. Step 3: Cross multiply
    18,527.56x = 27,795.64 × 5,380.16
  4. Step 4: Simplify right side
    18,527.56x = 149,544,990.50
  5. Step 5: Solve for x
    x = 149,544,990.50/18,527.56
  6. Step 6: Final answer
    x = 8,071.49

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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.