Home / 19,953.12-27,533.77-11,000.59

Finding the Fourth Proportional to 19,953.12, 27,533.77 and 11,000.59

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Solution

The fourth proportional to 19,953.12, 27,533.77 and 11,000.59 is: 15,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.12 : 27,533.77 = 11,000.59 : x
  2. Step 2: Convert to fraction form
    19,953.12/27,533.77 = 11,000.59/x
  3. Step 3: Cross multiply
    19,953.12x = 27,533.77 × 11,000.59
  4. Step 4: Simplify right side
    19,953.12x = 302,887,714.92
  5. Step 5: Solve for x
    x = 302,887,714.92/19,953.12
  6. Step 6: Final answer
    x = 15,179.97

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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.