Home / 13,850.48-19,113.90-7,563.80

Finding the Fourth Proportional to 13,850.48, 19,113.90 and 7,563.80

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Solution

The fourth proportional to 13,850.48, 19,113.90 and 7,563.80 is: 10,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.48 : 19,113.90 = 7,563.80 : x
  2. Step 2: Convert to fraction form
    13,850.48/19,113.90 = 7,563.80/x
  3. Step 3: Cross multiply
    13,850.48x = 19,113.90 × 7,563.80
  4. Step 4: Simplify right side
    13,850.48x = 144,573,716.82
  5. Step 5: Solve for x
    x = 144,573,716.82/13,850.48
  6. Step 6: Final answer
    x = 10,438.17

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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.