Home / 19,664.96-27,136.70-10,712.42

Finding the Fourth Proportional to 19,664.96, 27,136.70 and 10,712.42

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Solution

The fourth proportional to 19,664.96, 27,136.70 and 10,712.42 is: 14,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.96 : 27,136.70 = 10,712.42 : x
  2. Step 2: Convert to fraction form
    19,664.96/27,136.70 = 10,712.42/x
  3. Step 3: Cross multiply
    19,664.96x = 27,136.70 × 10,712.42
  4. Step 4: Simplify right side
    19,664.96x = 290,699,727.81
  5. Step 5: Solve for x
    x = 290,699,727.81/19,664.96
  6. Step 6: Final answer
    x = 14,782.62

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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.