Home / 14,681.16-20,260.26-8,394.12

Finding the Fourth Proportional to 14,681.16, 20,260.26 and 8,394.12

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Solution

The fourth proportional to 14,681.16, 20,260.26 and 8,394.12 is: 11,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.16 : 20,260.26 = 8,394.12 : x
  2. Step 2: Convert to fraction form
    14,681.16/20,260.26 = 8,394.12/x
  3. Step 3: Cross multiply
    14,681.16x = 20,260.26 × 8,394.12
  4. Step 4: Simplify right side
    14,681.16x = 170,067,053.67
  5. Step 5: Solve for x
    x = 170,067,053.67/14,681.16
  6. Step 6: Final answer
    x = 11,584.03

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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.