Home / 13,652.44-18,841.14-8,346.40

Finding the Fourth Proportional to 13,652.44, 18,841.14 and 8,346.40

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Solution

The fourth proportional to 13,652.44, 18,841.14 and 8,346.40 is: 11,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.44 : 18,841.14 = 8,346.40 : x
  2. Step 2: Convert to fraction form
    13,652.44/18,841.14 = 8,346.40/x
  3. Step 3: Cross multiply
    13,652.44x = 18,841.14 × 8,346.40
  4. Step 4: Simplify right side
    13,652.44x = 157,255,690.90
  5. Step 5: Solve for x
    x = 157,255,690.90/13,652.44
  6. Step 6: Final answer
    x = 11,518.50

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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.