Home / 13,335.93-19,992.69-6,311.88

Finding the Fourth Proportional to 13,335.93, 19,992.69 and 6,311.88

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Solution

The fourth proportional to 13,335.93, 19,992.69 and 6,311.88 is: 9,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.93 : 19,992.69 = 6,311.88 : x
  2. Step 2: Convert to fraction form
    13,335.93/19,992.69 = 6,311.88/x
  3. Step 3: Cross multiply
    13,335.93x = 19,992.69 × 6,311.88
  4. Step 4: Simplify right side
    13,335.93x = 126,191,460.16
  5. Step 5: Solve for x
    x = 126,191,460.16/13,335.93
  6. Step 6: Final answer
    x = 9,462.52

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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.