Home / 19,663.71-27,136.53-10,711.59

Finding the Fourth Proportional to 19,663.71, 27,136.53 and 10,711.59

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Solution

The fourth proportional to 19,663.71, 27,136.53 and 10,711.59 is: 14,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.71 : 27,136.53 = 10,711.59 : x
  2. Step 2: Convert to fraction form
    19,663.71/27,136.53 = 10,711.59/x
  3. Step 3: Cross multiply
    19,663.71x = 27,136.53 × 10,711.59
  4. Step 4: Simplify right side
    19,663.71x = 290,675,383.38
  5. Step 5: Solve for x
    x = 290,675,383.38/19,663.71
  6. Step 6: Final answer
    x = 14,782.33

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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.