Home / 13,015.41-19,534.05-5,625.51

Finding the Fourth Proportional to 13,015.41, 19,534.05 and 5,625.51

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Solution

The fourth proportional to 13,015.41, 19,534.05 and 5,625.51 is: 8,442.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.41 : 19,534.05 = 5,625.51 : x
  2. Step 2: Convert to fraction form
    13,015.41/19,534.05 = 5,625.51/x
  3. Step 3: Cross multiply
    13,015.41x = 19,534.05 × 5,625.51
  4. Step 4: Simplify right side
    13,015.41x = 109,888,993.62
  5. Step 5: Solve for x
    x = 109,888,993.62/13,015.41
  6. Step 6: Final answer
    x = 8,442.99

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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.