Home / 19,953.48-27,536.97-11,455.63

Finding the Fourth Proportional to 19,953.48, 27,536.97 and 11,455.63

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Solution

The fourth proportional to 19,953.48, 27,536.97 and 11,455.63 is: 15,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.48 : 27,536.97 = 11,455.63 : x
  2. Step 2: Convert to fraction form
    19,953.48/27,536.97 = 11,455.63/x
  3. Step 3: Cross multiply
    19,953.48x = 27,536.97 × 11,455.63
  4. Step 4: Simplify right side
    19,953.48x = 315,453,339.64
  5. Step 5: Solve for x
    x = 315,453,339.64/19,953.48
  6. Step 6: Final answer
    x = 15,809.44

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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.