Home / 13,626.08-18,790.08-12,832.32

Finding the Fourth Proportional to 13,626.08, 18,790.08 and 12,832.32

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Solution

The fourth proportional to 13,626.08, 18,790.08 and 12,832.32 is: 17,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.08 : 18,790.08 = 12,832.32 : x
  2. Step 2: Convert to fraction form
    13,626.08/18,790.08 = 12,832.32/x
  3. Step 3: Cross multiply
    13,626.08x = 18,790.08 × 12,832.32
  4. Step 4: Simplify right side
    13,626.08x = 241,120,319.39
  5. Step 5: Solve for x
    x = 241,120,319.39/13,626.08
  6. Step 6: Final answer
    x = 17,695.50

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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.