Home / 18,627.12-27,941.65-6,148.12

Finding the Fourth Proportional to 18,627.12, 27,941.65 and 6,148.12

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Solution

The fourth proportional to 18,627.12, 27,941.65 and 6,148.12 is: 9,222.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.12 : 27,941.65 = 6,148.12 : x
  2. Step 2: Convert to fraction form
    18,627.12/27,941.65 = 6,148.12/x
  3. Step 3: Cross multiply
    18,627.12x = 27,941.65 × 6,148.12
  4. Step 4: Simplify right side
    18,627.12x = 171,788,446.75
  5. Step 5: Solve for x
    x = 171,788,446.75/18,627.12
  6. Step 6: Final answer
    x = 9,222.49

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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.