Home / 13,370.60-18,459.83-8,592.68

Finding the Fourth Proportional to 13,370.60, 18,459.83 and 8,592.68

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Solution

The fourth proportional to 13,370.60, 18,459.83 and 8,592.68 is: 11,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.60 : 18,459.83 = 8,592.68 : x
  2. Step 2: Convert to fraction form
    13,370.60/18,459.83 = 8,592.68/x
  3. Step 3: Cross multiply
    13,370.60x = 18,459.83 × 8,592.68
  4. Step 4: Simplify right side
    13,370.60x = 158,619,479.68
  5. Step 5: Solve for x
    x = 158,619,479.68/13,370.60
  6. Step 6: Final answer
    x = 11,863.30

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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.