Home / 19,917.24-27,486.59-10,965.59

Finding the Fourth Proportional to 19,917.24, 27,486.59 and 10,965.59

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Solution

The fourth proportional to 19,917.24, 27,486.59 and 10,965.59 is: 15,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.24 : 27,486.59 = 10,965.59 : x
  2. Step 2: Convert to fraction form
    19,917.24/27,486.59 = 10,965.59/x
  3. Step 3: Cross multiply
    19,917.24x = 27,486.59 × 10,965.59
  4. Step 4: Simplify right side
    19,917.24x = 301,406,484.18
  5. Step 5: Solve for x
    x = 301,406,484.18/19,917.24
  6. Step 6: Final answer
    x = 15,132.94

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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.