Home / 14,399.46-19,874.32-9,681

Finding the Fourth Proportional to 14,399.46, 19,874.32 and 9,681

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Solution

The fourth proportional to 14,399.46, 19,874.32 and 9,681 is: 13,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.46 : 19,874.32 = 9,681 : x
  2. Step 2: Convert to fraction form
    14,399.46/19,874.32 = 9,681/x
  3. Step 3: Cross multiply
    14,399.46x = 19,874.32 × 9,681
  4. Step 4: Simplify right side
    14,399.46x = 192,403,291.92
  5. Step 5: Solve for x
    x = 192,403,291.92/14,399.46
  6. Step 6: Final answer
    x = 13,361.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.