Home / 13,361.24-18,437.49-7,392.45

Finding the Fourth Proportional to 13,361.24, 18,437.49 and 7,392.45

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Solution

The fourth proportional to 13,361.24, 18,437.49 and 7,392.45 is: 10,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.24 : 18,437.49 = 7,392.45 : x
  2. Step 2: Convert to fraction form
    13,361.24/18,437.49 = 7,392.45/x
  3. Step 3: Cross multiply
    13,361.24x = 18,437.49 × 7,392.45
  4. Step 4: Simplify right side
    13,361.24x = 136,298,222.95
  5. Step 5: Solve for x
    x = 136,298,222.95/13,361.24
  6. Step 6: Final answer
    x = 10,201.02

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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.