Home / 16,878.93-25,318.80-5,192.25

Finding the Fourth Proportional to 16,878.93, 25,318.80 and 5,192.25

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Solution

The fourth proportional to 16,878.93, 25,318.80 and 5,192.25 is: 7,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.93 : 25,318.80 = 5,192.25 : x
  2. Step 2: Convert to fraction form
    16,878.93/25,318.80 = 5,192.25/x
  3. Step 3: Cross multiply
    16,878.93x = 25,318.80 × 5,192.25
  4. Step 4: Simplify right side
    16,878.93x = 131,461,539.30
  5. Step 5: Solve for x
    x = 131,461,539.30/16,878.93
  6. Step 6: Final answer
    x = 7,788.50

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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.