Home / 18,316.68-27,472.53-5,170.11

Finding the Fourth Proportional to 18,316.68, 27,472.53 and 5,170.11

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Solution

The fourth proportional to 18,316.68, 27,472.53 and 5,170.11 is: 7,754.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.68 : 27,472.53 = 5,170.11 : x
  2. Step 2: Convert to fraction form
    18,316.68/27,472.53 = 5,170.11/x
  3. Step 3: Cross multiply
    18,316.68x = 27,472.53 × 5,170.11
  4. Step 4: Simplify right side
    18,316.68x = 142,036,002.08
  5. Step 5: Solve for x
    x = 142,036,002.08/18,316.68
  6. Step 6: Final answer
    x = 7,754.46

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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.