Home / 25,455.04-38,182.62-6,987.04

Finding the Fourth Proportional to 25,455.04, 38,182.62 and 6,987.04

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Solution

The fourth proportional to 25,455.04, 38,182.62 and 6,987.04 is: 10,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.04 : 38,182.62 = 6,987.04 : x
  2. Step 2: Convert to fraction form
    25,455.04/38,182.62 = 6,987.04/x
  3. Step 3: Cross multiply
    25,455.04x = 38,182.62 × 6,987.04
  4. Step 4: Simplify right side
    25,455.04x = 266,783,493.24
  5. Step 5: Solve for x
    x = 266,783,493.24/25,455.04
  6. Step 6: Final answer
    x = 10,480.58

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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.