Home / 16,670.51-25,005.80-4,190.56

Finding the Fourth Proportional to 16,670.51, 25,005.80 and 4,190.56

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Solution

The fourth proportional to 16,670.51, 25,005.80 and 4,190.56 is: 6,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.51 : 25,005.80 = 4,190.56 : x
  2. Step 2: Convert to fraction form
    16,670.51/25,005.80 = 4,190.56/x
  3. Step 3: Cross multiply
    16,670.51x = 25,005.80 × 4,190.56
  4. Step 4: Simplify right side
    16,670.51x = 104,788,305.25
  5. Step 5: Solve for x
    x = 104,788,305.25/16,670.51
  6. Step 6: Final answer
    x = 6,285.85

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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.