Home / 19,953.78-27,536.32-11,001.12

Finding the Fourth Proportional to 19,953.78, 27,536.32 and 11,001.12

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Solution

The fourth proportional to 19,953.78, 27,536.32 and 11,001.12 is: 15,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.78 : 27,536.32 = 11,001.12 : x
  2. Step 2: Convert to fraction form
    19,953.78/27,536.32 = 11,001.12/x
  3. Step 3: Cross multiply
    19,953.78x = 27,536.32 × 11,001.12
  4. Step 4: Simplify right side
    19,953.78x = 302,930,360.68
  5. Step 5: Solve for x
    x = 302,930,360.68/19,953.78
  6. Step 6: Final answer
    x = 15,181.60

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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.