Home / 19,102.83-26,372.88-12,727.74

Finding the Fourth Proportional to 19,102.83, 26,372.88 and 12,727.74

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Solution

The fourth proportional to 19,102.83, 26,372.88 and 12,727.74 is: 17,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102.83 : 26,372.88 = 12,727.74 : x
  2. Step 2: Convert to fraction form
    19,102.83/26,372.88 = 12,727.74/x
  3. Step 3: Cross multiply
    19,102.83x = 26,372.88 × 12,727.74
  4. Step 4: Simplify right side
    19,102.83x = 335,667,159.69
  5. Step 5: Solve for x
    x = 335,667,159.69/19,102.83
  6. Step 6: Final answer
    x = 17,571.59

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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.