Home / 18,314.10-27,475.65-5,166.30

Finding the Fourth Proportional to 18,314.10, 27,475.65 and 5,166.30

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Solution

The fourth proportional to 18,314.10, 27,475.65 and 5,166.30 is: 7,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.10 : 27,475.65 = 5,166.30 : x
  2. Step 2: Convert to fraction form
    18,314.10/27,475.65 = 5,166.30/x
  3. Step 3: Cross multiply
    18,314.10x = 27,475.65 × 5,166.30
  4. Step 4: Simplify right side
    18,314.10x = 141,947,450.60
  5. Step 5: Solve for x
    x = 141,947,450.60/18,314.10
  6. Step 6: Final answer
    x = 7,750.72

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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.