Home / 14,074.88-19,424.32-7,787.52

Finding the Fourth Proportional to 14,074.88, 19,424.32 and 7,787.52

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Solution

The fourth proportional to 14,074.88, 19,424.32 and 7,787.52 is: 10,747.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.88 : 19,424.32 = 7,787.52 : x
  2. Step 2: Convert to fraction form
    14,074.88/19,424.32 = 7,787.52/x
  3. Step 3: Cross multiply
    14,074.88x = 19,424.32 × 7,787.52
  4. Step 4: Simplify right side
    14,074.88x = 151,267,280.49
  5. Step 5: Solve for x
    x = 151,267,280.49/14,074.88
  6. Step 6: Final answer
    x = 10,747.32

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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.