Home / 13,839.99-19,099.15-7,552.36

Finding the Fourth Proportional to 13,839.99, 19,099.15 and 7,552.36

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Solution

The fourth proportional to 13,839.99, 19,099.15 and 7,552.36 is: 10,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.99 : 19,099.15 = 7,552.36 : x
  2. Step 2: Convert to fraction form
    13,839.99/19,099.15 = 7,552.36/x
  3. Step 3: Cross multiply
    13,839.99x = 19,099.15 × 7,552.36
  4. Step 4: Simplify right side
    13,839.99x = 144,243,656.49
  5. Step 5: Solve for x
    x = 144,243,656.49/13,839.99
  6. Step 6: Final answer
    x = 10,422.24

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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.