Home / 18,548.34-27,819.81-5,397.18

Finding the Fourth Proportional to 18,548.34, 27,819.81 and 5,397.18

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Solution

The fourth proportional to 18,548.34, 27,819.81 and 5,397.18 is: 8,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.34 : 27,819.81 = 5,397.18 : x
  2. Step 2: Convert to fraction form
    18,548.34/27,819.81 = 5,397.18/x
  3. Step 3: Cross multiply
    18,548.34x = 27,819.81 × 5,397.18
  4. Step 4: Simplify right side
    18,548.34x = 150,148,522.14
  5. Step 5: Solve for x
    x = 150,148,522.14/18,548.34
  6. Step 6: Final answer
    x = 8,094.98

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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.