Home / 14,160.66-19,542.21-7,787.51

Finding the Fourth Proportional to 14,160.66, 19,542.21 and 7,787.51

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Solution

The fourth proportional to 14,160.66, 19,542.21 and 7,787.51 is: 10,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.66 : 19,542.21 = 7,787.51 : x
  2. Step 2: Convert to fraction form
    14,160.66/19,542.21 = 7,787.51/x
  3. Step 3: Cross multiply
    14,160.66x = 19,542.21 × 7,787.51
  4. Step 4: Simplify right side
    14,160.66x = 152,185,116.86
  5. Step 5: Solve for x
    x = 152,185,116.86/14,160.66
  6. Step 6: Final answer
    x = 10,747.04

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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.