Home / 19,625.36-29,439.48-7,938.32

Finding the Fourth Proportional to 19,625.36, 29,439.48 and 7,938.32

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Solution

The fourth proportional to 19,625.36, 29,439.48 and 7,938.32 is: 11,908.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.36 : 29,439.48 = 7,938.32 : x
  2. Step 2: Convert to fraction form
    19,625.36/29,439.48 = 7,938.32/x
  3. Step 3: Cross multiply
    19,625.36x = 29,439.48 × 7,938.32
  4. Step 4: Simplify right side
    19,625.36x = 233,700,012.87
  5. Step 5: Solve for x
    x = 233,700,012.87/19,625.36
  6. Step 6: Final answer
    x = 11,908.06

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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.