Home / 14,161.27-19,542.87-7,787.46

Finding the Fourth Proportional to 14,161.27, 19,542.87 and 7,787.46

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Solution

The fourth proportional to 14,161.27, 19,542.87 and 7,787.46 is: 10,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.27 : 19,542.87 = 7,787.46 : x
  2. Step 2: Convert to fraction form
    14,161.27/19,542.87 = 7,787.46/x
  3. Step 3: Cross multiply
    14,161.27x = 19,542.87 × 7,787.46
  4. Step 4: Simplify right side
    14,161.27x = 152,189,318.41
  5. Step 5: Solve for x
    x = 152,189,318.41/14,161.27
  6. Step 6: Final answer
    x = 10,746.87

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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.