Home / 17,013.65-25,523.10-5,325.75

Finding the Fourth Proportional to 17,013.65, 25,523.10 and 5,325.75

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Solution

The fourth proportional to 17,013.65, 25,523.10 and 5,325.75 is: 7,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,013.65 : 25,523.10 = 5,325.75 : x
  2. Step 2: Convert to fraction form
    17,013.65/25,523.10 = 5,325.75/x
  3. Step 3: Cross multiply
    17,013.65x = 25,523.10 × 5,325.75
  4. Step 4: Simplify right side
    17,013.65x = 135,929,649.83
  5. Step 5: Solve for x
    x = 135,929,649.83/17,013.65
  6. Step 6: Final answer
    x = 7,989.45

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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.