Home / 19,259.16-26,563.42-12,178.75

Finding the Fourth Proportional to 19,259.16, 26,563.42 and 12,178.75

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Solution

The fourth proportional to 19,259.16, 26,563.42 and 12,178.75 is: 16,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.16 : 26,563.42 = 12,178.75 : x
  2. Step 2: Convert to fraction form
    19,259.16/26,563.42 = 12,178.75/x
  3. Step 3: Cross multiply
    19,259.16x = 26,563.42 × 12,178.75
  4. Step 4: Simplify right side
    19,259.16x = 323,509,251.33
  5. Step 5: Solve for x
    x = 323,509,251.33/19,259.16
  6. Step 6: Final answer
    x = 16,797.68

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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.