Home / 16,890.64-25,332.11-6,361.75

Finding the Fourth Proportional to 16,890.64, 25,332.11 and 6,361.75

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Solution

The fourth proportional to 16,890.64, 25,332.11 and 6,361.75 is: 9,541.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.64 : 25,332.11 = 6,361.75 : x
  2. Step 2: Convert to fraction form
    16,890.64/25,332.11 = 6,361.75/x
  3. Step 3: Cross multiply
    16,890.64x = 25,332.11 × 6,361.75
  4. Step 4: Simplify right side
    16,890.64x = 161,156,574.51
  5. Step 5: Solve for x
    x = 161,156,574.51/16,890.64
  6. Step 6: Final answer
    x = 9,541.18

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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.