Home / 13,335.03-18,400.37-7,366.95

Finding the Fourth Proportional to 13,335.03, 18,400.37 and 7,366.95

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Solution

The fourth proportional to 13,335.03, 18,400.37 and 7,366.95 is: 10,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.03 : 18,400.37 = 7,366.95 : x
  2. Step 2: Convert to fraction form
    13,335.03/18,400.37 = 7,366.95/x
  3. Step 3: Cross multiply
    13,335.03x = 18,400.37 × 7,366.95
  4. Step 4: Simplify right side
    13,335.03x = 135,554,568.94
  5. Step 5: Solve for x
    x = 135,554,568.94/13,335.03
  6. Step 6: Final answer
    x = 10,165.30

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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.