Home / 14,326.45-21,489.58-7,794.16

Finding the Fourth Proportional to 14,326.45, 21,489.58 and 7,794.16

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Solution

The fourth proportional to 14,326.45, 21,489.58 and 7,794.16 is: 11,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,326.45 : 21,489.58 = 7,794.16 : x
  2. Step 2: Convert to fraction form
    14,326.45/21,489.58 = 7,794.16/x
  3. Step 3: Cross multiply
    14,326.45x = 21,489.58 × 7,794.16
  4. Step 4: Simplify right side
    14,326.45x = 167,493,130.06
  5. Step 5: Solve for x
    x = 167,493,130.06/14,326.45
  6. Step 6: Final answer
    x = 11,691.18

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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.