Home / 13,840.53-19,099.83-7,552.90

Finding the Fourth Proportional to 13,840.53, 19,099.83 and 7,552.90

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Solution

The fourth proportional to 13,840.53, 19,099.83 and 7,552.90 is: 10,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.53 : 19,099.83 = 7,552.90 : x
  2. Step 2: Convert to fraction form
    13,840.53/19,099.83 = 7,552.90/x
  3. Step 3: Cross multiply
    13,840.53x = 19,099.83 × 7,552.90
  4. Step 4: Simplify right side
    13,840.53x = 144,259,106.01
  5. Step 5: Solve for x
    x = 144,259,106.01/13,840.53
  6. Step 6: Final answer
    x = 10,422.95

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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.