Home / 14,411.38-19,904.10-9,687.46

Finding the Fourth Proportional to 14,411.38, 19,904.10 and 9,687.46

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Solution

The fourth proportional to 14,411.38, 19,904.10 and 9,687.46 is: 13,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,411.38 : 19,904.10 = 9,687.46 : x
  2. Step 2: Convert to fraction form
    14,411.38/19,904.10 = 9,687.46/x
  3. Step 3: Cross multiply
    14,411.38x = 19,904.10 × 9,687.46
  4. Step 4: Simplify right side
    14,411.38x = 192,820,073.07
  5. Step 5: Solve for x
    x = 192,820,073.07/14,411.38
  6. Step 6: Final answer
    x = 13,379.71

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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.