Home / 19,953.60-27,536.16-11,001.45

Finding the Fourth Proportional to 19,953.60, 27,536.16 and 11,001.45

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Solution

The fourth proportional to 19,953.60, 27,536.16 and 11,001.45 is: 15,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.60 : 27,536.16 = 11,001.45 : x
  2. Step 2: Convert to fraction form
    19,953.60/27,536.16 = 11,001.45/x
  3. Step 3: Cross multiply
    19,953.60x = 27,536.16 × 11,001.45
  4. Step 4: Simplify right side
    19,953.60x = 302,937,687.43
  5. Step 5: Solve for x
    x = 302,937,687.43/19,953.60
  6. Step 6: Final answer
    x = 15,182.11

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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.