Home / 13,346.15-18,416.97-7,377.48

Finding the Fourth Proportional to 13,346.15, 18,416.97 and 7,377.48

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Solution

The fourth proportional to 13,346.15, 18,416.97 and 7,377.48 is: 10,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.15 : 18,416.97 = 7,377.48 : x
  2. Step 2: Convert to fraction form
    13,346.15/18,416.97 = 7,377.48/x
  3. Step 3: Cross multiply
    13,346.15x = 18,416.97 × 7,377.48
  4. Step 4: Simplify right side
    13,346.15x = 135,870,827.84
  5. Step 5: Solve for x
    x = 135,870,827.84/13,346.15
  6. Step 6: Final answer
    x = 10,180.53

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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.