Home / 16,864.57-25,297.58-5,178.25

Finding the Fourth Proportional to 16,864.57, 25,297.58 and 5,178.25

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Solution

The fourth proportional to 16,864.57, 25,297.58 and 5,178.25 is: 7,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.57 : 25,297.58 = 5,178.25 : x
  2. Step 2: Convert to fraction form
    16,864.57/25,297.58 = 5,178.25/x
  3. Step 3: Cross multiply
    16,864.57x = 25,297.58 × 5,178.25
  4. Step 4: Simplify right side
    16,864.57x = 130,997,193.64
  5. Step 5: Solve for x
    x = 130,997,193.64/16,864.57
  6. Step 6: Final answer
    x = 7,767.60

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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.