Home / 19,296.80-26,639.52-12,592.16

Finding the Fourth Proportional to 19,296.80, 26,639.52 and 12,592.16

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Solution

The fourth proportional to 19,296.80, 26,639.52 and 12,592.16 is: 17,383.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296.80 : 26,639.52 = 12,592.16 : x
  2. Step 2: Convert to fraction form
    19,296.80/26,639.52 = 12,592.16/x
  3. Step 3: Cross multiply
    19,296.80x = 26,639.52 × 12,592.16
  4. Step 4: Simplify right side
    19,296.80x = 335,449,098.16
  5. Step 5: Solve for x
    x = 335,449,098.16/19,296.80
  6. Step 6: Final answer
    x = 17,383.66

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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.