Home / 18,315.08-27,475.35-6,631.04

Finding the Fourth Proportional to 18,315.08, 27,475.35 and 6,631.04

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Solution

The fourth proportional to 18,315.08, 27,475.35 and 6,631.04 is: 9,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315.08 : 27,475.35 = 6,631.04 : x
  2. Step 2: Convert to fraction form
    18,315.08/27,475.35 = 6,631.04/x
  3. Step 3: Cross multiply
    18,315.08x = 27,475.35 × 6,631.04
  4. Step 4: Simplify right side
    18,315.08x = 182,190,007.49
  5. Step 5: Solve for x
    x = 182,190,007.49/18,315.08
  6. Step 6: Final answer
    x = 9,947.54

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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.