Home / 13,346.13-18,416.04-7,376.97

Finding the Fourth Proportional to 13,346.13, 18,416.04 and 7,376.97

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Solution

The fourth proportional to 13,346.13, 18,416.04 and 7,376.97 is: 10,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.13 : 18,416.04 = 7,376.97 : x
  2. Step 2: Convert to fraction form
    13,346.13/18,416.04 = 7,376.97/x
  3. Step 3: Cross multiply
    13,346.13x = 18,416.04 × 7,376.97
  4. Step 4: Simplify right side
    13,346.13x = 135,854,574.60
  5. Step 5: Solve for x
    x = 135,854,574.60/13,346.13
  6. Step 6: Final answer
    x = 10,179.32

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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.