Home / 13,293.60-18,346.20-7,326.34

Finding the Fourth Proportional to 13,293.60, 18,346.20 and 7,326.34

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Solution

The fourth proportional to 13,293.60, 18,346.20 and 7,326.34 is: 10,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.60 : 18,346.20 = 7,326.34 : x
  2. Step 2: Convert to fraction form
    13,293.60/18,346.20 = 7,326.34/x
  3. Step 3: Cross multiply
    13,293.60x = 18,346.20 × 7,326.34
  4. Step 4: Simplify right side
    13,293.60x = 134,410,498.91
  5. Step 5: Solve for x
    x = 134,410,498.91/13,293.60
  6. Step 6: Final answer
    x = 10,110.92

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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.