Home / 14,074.96-19,422.48-7,787.56

Finding the Fourth Proportional to 14,074.96, 19,422.48 and 7,787.56

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Solution

The fourth proportional to 14,074.96, 19,422.48 and 7,787.56 is: 10,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.96 : 19,422.48 = 7,787.56 : x
  2. Step 2: Convert to fraction form
    14,074.96/19,422.48 = 7,787.56/x
  3. Step 3: Cross multiply
    14,074.96x = 19,422.48 × 7,787.56
  4. Step 4: Simplify right side
    14,074.96x = 151,253,728.35
  5. Step 5: Solve for x
    x = 151,253,728.35/14,074.96
  6. Step 6: Final answer
    x = 10,746.30

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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.