Home / 13,331.49-18,396.95-7,363.03

Finding the Fourth Proportional to 13,331.49, 18,396.95 and 7,363.03

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Solution

The fourth proportional to 13,331.49, 18,396.95 and 7,363.03 is: 10,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.49 : 18,396.95 = 7,363.03 : x
  2. Step 2: Convert to fraction form
    13,331.49/18,396.95 = 7,363.03/x
  3. Step 3: Cross multiply
    13,331.49x = 18,396.95 × 7,363.03
  4. Step 4: Simplify right side
    13,331.49x = 135,457,294.76
  5. Step 5: Solve for x
    x = 135,457,294.76/13,331.49
  6. Step 6: Final answer
    x = 10,160.70

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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.