Home / 19,575.21-27,015.12-11,077.34

Finding the Fourth Proportional to 19,575.21, 27,015.12 and 11,077.34

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Solution

The fourth proportional to 19,575.21, 27,015.12 and 11,077.34 is: 15,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.21 : 27,015.12 = 11,077.34 : x
  2. Step 2: Convert to fraction form
    19,575.21/27,015.12 = 11,077.34/x
  3. Step 3: Cross multiply
    19,575.21x = 27,015.12 × 11,077.34
  4. Step 4: Simplify right side
    19,575.21x = 299,255,534.31
  5. Step 5: Solve for x
    x = 299,255,534.31/19,575.21
  6. Step 6: Final answer
    x = 15,287.48

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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.