Home / 19,349.64-26,694.80-12,633.12

Finding the Fourth Proportional to 19,349.64, 26,694.80 and 12,633.12

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Solution

The fourth proportional to 19,349.64, 26,694.80 and 12,633.12 is: 17,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,349.64 : 26,694.80 = 12,633.12 : x
  2. Step 2: Convert to fraction form
    19,349.64/26,694.80 = 12,633.12/x
  3. Step 3: Cross multiply
    19,349.64x = 26,694.80 × 12,633.12
  4. Step 4: Simplify right side
    19,349.64x = 337,238,611.78
  5. Step 5: Solve for x
    x = 337,238,611.78/19,349.64
  6. Step 6: Final answer
    x = 17,428.68

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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.