Home / 13,215.08-19,825.92-9,327.08

Finding the Fourth Proportional to 13,215.08, 19,825.92 and 9,327.08

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Solution

The fourth proportional to 13,215.08, 19,825.92 and 9,327.08 is: 13,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215.08 : 19,825.92 = 9,327.08 : x
  2. Step 2: Convert to fraction form
    13,215.08/19,825.92 = 9,327.08/x
  3. Step 3: Cross multiply
    13,215.08x = 19,825.92 × 9,327.08
  4. Step 4: Simplify right side
    13,215.08x = 184,917,941.91
  5. Step 5: Solve for x
    x = 184,917,941.91/13,215.08
  6. Step 6: Final answer
    x = 13,992.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.