Home / 13,352.54-18,426.22-7,384.46

Finding the Fourth Proportional to 13,352.54, 18,426.22 and 7,384.46

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Solution

The fourth proportional to 13,352.54, 18,426.22 and 7,384.46 is: 10,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.54 : 18,426.22 = 7,384.46 : x
  2. Step 2: Convert to fraction form
    13,352.54/18,426.22 = 7,384.46/x
  3. Step 3: Cross multiply
    13,352.54x = 18,426.22 × 7,384.46
  4. Step 4: Simplify right side
    13,352.54x = 136,067,684.54
  5. Step 5: Solve for x
    x = 136,067,684.54/13,352.54
  6. Step 6: Final answer
    x = 10,190.40

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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.