Home / 19,013.94-26,232.84-12,308.04

Finding the Fourth Proportional to 19,013.94, 26,232.84 and 12,308.04

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Solution

The fourth proportional to 19,013.94, 26,232.84 and 12,308.04 is: 16,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.94 : 26,232.84 = 12,308.04 : x
  2. Step 2: Convert to fraction form
    19,013.94/26,232.84 = 12,308.04/x
  3. Step 3: Cross multiply
    19,013.94x = 26,232.84 × 12,308.04
  4. Step 4: Simplify right side
    19,013.94x = 322,874,844.03
  5. Step 5: Solve for x
    x = 322,874,844.03/19,013.94
  6. Step 6: Final answer
    x = 16,980.95

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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.