Home / 19,534.08-26,958.96-11,151.84

Finding the Fourth Proportional to 19,534.08, 26,958.96 and 11,151.84

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Solution

The fourth proportional to 19,534.08, 26,958.96 and 11,151.84 is: 15,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,534.08 : 26,958.96 = 11,151.84 : x
  2. Step 2: Convert to fraction form
    19,534.08/26,958.96 = 11,151.84/x
  3. Step 3: Cross multiply
    19,534.08x = 26,958.96 × 11,151.84
  4. Step 4: Simplify right side
    19,534.08x = 300,642,008.49
  5. Step 5: Solve for x
    x = 300,642,008.49/19,534.08
  6. Step 6: Final answer
    x = 15,390.64

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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.