Home / 19,327.68-26,651.52-12,619.08

Finding the Fourth Proportional to 19,327.68, 26,651.52 and 12,619.08

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Solution

The fourth proportional to 19,327.68, 26,651.52 and 12,619.08 is: 17,400.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.68 : 26,651.52 = 12,619.08 : x
  2. Step 2: Convert to fraction form
    19,327.68/26,651.52 = 12,619.08/x
  3. Step 3: Cross multiply
    19,327.68x = 26,651.52 × 12,619.08
  4. Step 4: Simplify right side
    19,327.68x = 336,317,663.00
  5. Step 5: Solve for x
    x = 336,317,663.00/19,327.68
  6. Step 6: Final answer
    x = 17,400.83

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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.