Home / 15,671.53-23,507.35-3,984.75

Finding the Fourth Proportional to 15,671.53, 23,507.35 and 3,984.75

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Solution

The fourth proportional to 15,671.53, 23,507.35 and 3,984.75 is: 5,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,671.53 : 23,507.35 = 3,984.75 : x
  2. Step 2: Convert to fraction form
    15,671.53/23,507.35 = 3,984.75/x
  3. Step 3: Cross multiply
    15,671.53x = 23,507.35 × 3,984.75
  4. Step 4: Simplify right side
    15,671.53x = 93,670,912.91
  5. Step 5: Solve for x
    x = 93,670,912.91/15,671.53
  6. Step 6: Final answer
    x = 5,977.14

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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.