Home / 16,670.16-25,007.72-6,139.37

Finding the Fourth Proportional to 16,670.16, 25,007.72 and 6,139.37

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Solution

The fourth proportional to 16,670.16, 25,007.72 and 6,139.37 is: 9,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.16 : 25,007.72 = 6,139.37 : x
  2. Step 2: Convert to fraction form
    16,670.16/25,007.72 = 6,139.37/x
  3. Step 3: Cross multiply
    16,670.16x = 25,007.72 × 6,139.37
  4. Step 4: Simplify right side
    16,670.16x = 153,531,490.20
  5. Step 5: Solve for x
    x = 153,531,490.20/16,670.16
  6. Step 6: Final answer
    x = 9,209.96

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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.