Home / 19,953.60-27,537.20-11,001.09

Finding the Fourth Proportional to 19,953.60, 27,537.20 and 11,001.09

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Solution

The fourth proportional to 19,953.60, 27,537.20 and 11,001.09 is: 15,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.60 : 27,537.20 = 11,001.09 : x
  2. Step 2: Convert to fraction form
    19,953.60/27,537.20 = 11,001.09/x
  3. Step 3: Cross multiply
    19,953.60x = 27,537.20 × 11,001.09
  4. Step 4: Simplify right side
    19,953.60x = 302,939,215.55
  5. Step 5: Solve for x
    x = 302,939,215.55/19,953.60
  6. Step 6: Final answer
    x = 15,182.18

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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.