Home / 19,548.32-29,322.51-4,757.15

Finding the Fourth Proportional to 19,548.32, 29,322.51 and 4,757.15

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Solution

The fourth proportional to 19,548.32, 29,322.51 and 4,757.15 is: 7,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,548.32 : 29,322.51 = 4,757.15 : x
  2. Step 2: Convert to fraction form
    19,548.32/29,322.51 = 4,757.15/x
  3. Step 3: Cross multiply
    19,548.32x = 29,322.51 × 4,757.15
  4. Step 4: Simplify right side
    19,548.32x = 139,491,578.45
  5. Step 5: Solve for x
    x = 139,491,578.45/19,548.32
  6. Step 6: Final answer
    x = 7,135.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.