Home / 16,962.10-25,439.04-7,108.75

Finding the Fourth Proportional to 16,962.10, 25,439.04 and 7,108.75

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Solution

The fourth proportional to 16,962.10, 25,439.04 and 7,108.75 is: 10,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,962.10 : 25,439.04 = 7,108.75 : x
  2. Step 2: Convert to fraction form
    16,962.10/25,439.04 = 7,108.75/x
  3. Step 3: Cross multiply
    16,962.10x = 25,439.04 × 7,108.75
  4. Step 4: Simplify right side
    16,962.10x = 180,839,775.60
  5. Step 5: Solve for x
    x = 180,839,775.60/16,962.10
  6. Step 6: Final answer
    x = 10,661.40

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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.