Home / 25,150.21-34,710.30-15,084.19

Finding the Fourth Proportional to 25,150.21, 34,710.30 and 15,084.19

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Solution

The fourth proportional to 25,150.21, 34,710.30 and 15,084.19 is: 20,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,150.21 : 34,710.30 = 15,084.19 : x
  2. Step 2: Convert to fraction form
    25,150.21/34,710.30 = 15,084.19/x
  3. Step 3: Cross multiply
    25,150.21x = 34,710.30 × 15,084.19
  4. Step 4: Simplify right side
    25,150.21x = 523,576,760.16
  5. Step 5: Solve for x
    x = 523,576,760.16/25,150.21
  6. Step 6: Final answer
    x = 20,817.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.