Home / 13,331.40-18,397.48-7,362.96

Finding the Fourth Proportional to 13,331.40, 18,397.48 and 7,362.96

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Solution

The fourth proportional to 13,331.40, 18,397.48 and 7,362.96 is: 10,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.40 : 18,397.48 = 7,362.96 : x
  2. Step 2: Convert to fraction form
    13,331.40/18,397.48 = 7,362.96/x
  3. Step 3: Cross multiply
    13,331.40x = 18,397.48 × 7,362.96
  4. Step 4: Simplify right side
    13,331.40x = 135,459,909.34
  5. Step 5: Solve for x
    x = 135,459,909.34/13,331.40
  6. Step 6: Final answer
    x = 10,160.97

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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.