Home / 19,985.09-27,582.12-11,601.59

Finding the Fourth Proportional to 19,985.09, 27,582.12 and 11,601.59

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Solution

The fourth proportional to 19,985.09, 27,582.12 and 11,601.59 is: 16,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.09 : 27,582.12 = 11,601.59 : x
  2. Step 2: Convert to fraction form
    19,985.09/27,582.12 = 11,601.59/x
  3. Step 3: Cross multiply
    19,985.09x = 27,582.12 × 11,601.59
  4. Step 4: Simplify right side
    19,985.09x = 319,996,309.66
  5. Step 5: Solve for x
    x = 319,996,309.66/19,985.09
  6. Step 6: Final answer
    x = 16,011.76

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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.