Home / 19,953.25-27,536.73-11,000.74

Finding the Fourth Proportional to 19,953.25, 27,536.73 and 11,000.74

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Solution

The fourth proportional to 19,953.25, 27,536.73 and 11,000.74 is: 15,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.25 : 27,536.73 = 11,000.74 : x
  2. Step 2: Convert to fraction form
    19,953.25/27,536.73 = 11,000.74/x
  3. Step 3: Cross multiply
    19,953.25x = 27,536.73 × 11,000.74
  4. Step 4: Simplify right side
    19,953.25x = 302,924,348.72
  5. Step 5: Solve for x
    x = 302,924,348.72/19,953.25
  6. Step 6: Final answer
    x = 15,181.70

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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.