Home / 19,259.38-26,577.75-12,191.59

Finding the Fourth Proportional to 19,259.38, 26,577.75 and 12,191.59

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Solution

The fourth proportional to 19,259.38, 26,577.75 and 12,191.59 is: 16,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.38 : 26,577.75 = 12,191.59 : x
  2. Step 2: Convert to fraction form
    19,259.38/26,577.75 = 12,191.59/x
  3. Step 3: Cross multiply
    19,259.38x = 26,577.75 × 12,191.59
  4. Step 4: Simplify right side
    19,259.38x = 324,025,031.12
  5. Step 5: Solve for x
    x = 324,025,031.12/19,259.38
  6. Step 6: Final answer
    x = 16,824.27

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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.