Home / 16,904.40-25,356.60-6,516.15

Finding the Fourth Proportional to 16,904.40, 25,356.60 and 6,516.15

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Solution

The fourth proportional to 16,904.40, 25,356.60 and 6,516.15 is: 9,774.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.40 : 25,356.60 = 6,516.15 : x
  2. Step 2: Convert to fraction form
    16,904.40/25,356.60 = 6,516.15/x
  3. Step 3: Cross multiply
    16,904.40x = 25,356.60 × 6,516.15
  4. Step 4: Simplify right side
    16,904.40x = 165,227,409.09
  5. Step 5: Solve for x
    x = 165,227,409.09/16,904.40
  6. Step 6: Final answer
    x = 9,774.23

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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.