Home / 13,331.58-18,397.35-7,363.32

Finding the Fourth Proportional to 13,331.58, 18,397.35 and 7,363.32

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Solution

The fourth proportional to 13,331.58, 18,397.35 and 7,363.32 is: 10,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.58 : 18,397.35 = 7,363.32 : x
  2. Step 2: Convert to fraction form
    13,331.58/18,397.35 = 7,363.32/x
  3. Step 3: Cross multiply
    13,331.58x = 18,397.35 × 7,363.32
  4. Step 4: Simplify right side
    13,331.58x = 135,465,575.20
  5. Step 5: Solve for x
    x = 135,465,575.20/13,331.58
  6. Step 6: Final answer
    x = 10,161.25

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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.