Home / 13,055.12-17,998.44-8,856.08

Finding the Fourth Proportional to 13,055.12, 17,998.44 and 8,856.08

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Solution

The fourth proportional to 13,055.12, 17,998.44 and 8,856.08 is: 12,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.12 : 17,998.44 = 8,856.08 : x
  2. Step 2: Convert to fraction form
    13,055.12/17,998.44 = 8,856.08/x
  3. Step 3: Cross multiply
    13,055.12x = 17,998.44 × 8,856.08
  4. Step 4: Simplify right side
    13,055.12x = 159,395,624.52
  5. Step 5: Solve for x
    x = 159,395,624.52/13,055.12
  6. Step 6: Final answer
    x = 12,209.43

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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.