Home / 19,652.22-27,115.40-11,152.48

Finding the Fourth Proportional to 19,652.22, 27,115.40 and 11,152.48

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Solution

The fourth proportional to 19,652.22, 27,115.40 and 11,152.48 is: 15,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.22 : 27,115.40 = 11,152.48 : x
  2. Step 2: Convert to fraction form
    19,652.22/27,115.40 = 11,152.48/x
  3. Step 3: Cross multiply
    19,652.22x = 27,115.40 × 11,152.48
  4. Step 4: Simplify right side
    19,652.22x = 302,403,956.19
  5. Step 5: Solve for x
    x = 302,403,956.19/19,652.22
  6. Step 6: Final answer
    x = 15,387.78

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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.