Home / 13,333.98-18,400.77-7,366.06

Finding the Fourth Proportional to 13,333.98, 18,400.77 and 7,366.06

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Solution

The fourth proportional to 13,333.98, 18,400.77 and 7,366.06 is: 10,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.98 : 18,400.77 = 7,366.06 : x
  2. Step 2: Convert to fraction form
    13,333.98/18,400.77 = 7,366.06/x
  3. Step 3: Cross multiply
    13,333.98x = 18,400.77 × 7,366.06
  4. Step 4: Simplify right side
    13,333.98x = 135,541,175.87
  5. Step 5: Solve for x
    x = 135,541,175.87/13,333.98
  6. Step 6: Final answer
    x = 10,165.10

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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.