Home / 19,575.36-27,013.44-11,191.68

Finding the Fourth Proportional to 19,575.36, 27,013.44 and 11,191.68

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Solution

The fourth proportional to 19,575.36, 27,013.44 and 11,191.68 is: 15,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.36 : 27,013.44 = 11,191.68 : x
  2. Step 2: Convert to fraction form
    19,575.36/27,013.44 = 11,191.68/x
  3. Step 3: Cross multiply
    19,575.36x = 27,013.44 × 11,191.68
  4. Step 4: Simplify right side
    19,575.36x = 302,325,776.18
  5. Step 5: Solve for x
    x = 302,325,776.18/19,575.36
  6. Step 6: Final answer
    x = 15,444.20

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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.