Home / 13,840.14-19,099.44-7,552.50

Finding the Fourth Proportional to 13,840.14, 19,099.44 and 7,552.50

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Solution

The fourth proportional to 13,840.14, 19,099.44 and 7,552.50 is: 10,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.14 : 19,099.44 = 7,552.50 : x
  2. Step 2: Convert to fraction form
    13,840.14/19,099.44 = 7,552.50/x
  3. Step 3: Cross multiply
    13,840.14x = 19,099.44 × 7,552.50
  4. Step 4: Simplify right side
    13,840.14x = 144,248,520.60
  5. Step 5: Solve for x
    x = 144,248,520.60/13,840.14
  6. Step 6: Final answer
    x = 10,422.48

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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.