Home / 13,364.37-18,442.54-7,395.68

Finding the Fourth Proportional to 13,364.37, 18,442.54 and 7,395.68

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Solution

The fourth proportional to 13,364.37, 18,442.54 and 7,395.68 is: 10,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.37 : 18,442.54 = 7,395.68 : x
  2. Step 2: Convert to fraction form
    13,364.37/18,442.54 = 7,395.68/x
  3. Step 3: Cross multiply
    13,364.37x = 18,442.54 × 7,395.68
  4. Step 4: Simplify right side
    13,364.37x = 136,395,124.23
  5. Step 5: Solve for x
    x = 136,395,124.23/13,364.37
  6. Step 6: Final answer
    x = 10,205.88

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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.