Home / 13,984.48-19,299.01-7,611.53

Finding the Fourth Proportional to 13,984.48, 19,299.01 and 7,611.53

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Solution

The fourth proportional to 13,984.48, 19,299.01 and 7,611.53 is: 10,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.48 : 19,299.01 = 7,611.53 : x
  2. Step 2: Convert to fraction form
    13,984.48/19,299.01 = 7,611.53/x
  3. Step 3: Cross multiply
    13,984.48x = 19,299.01 × 7,611.53
  4. Step 4: Simplify right side
    13,984.48x = 146,894,993.59
  5. Step 5: Solve for x
    x = 146,894,993.59/13,984.48
  6. Step 6: Final answer
    x = 10,504.15

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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.