Home / 19,616.86-27,071.43-10,664.36

Finding the Fourth Proportional to 19,616.86, 27,071.43 and 10,664.36

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Solution

The fourth proportional to 19,616.86, 27,071.43 and 10,664.36 is: 14,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.86 : 27,071.43 = 10,664.36 : x
  2. Step 2: Convert to fraction form
    19,616.86/27,071.43 = 10,664.36/x
  3. Step 3: Cross multiply
    19,616.86x = 27,071.43 × 10,664.36
  4. Step 4: Simplify right side
    19,616.86x = 288,699,613.67
  5. Step 5: Solve for x
    x = 288,699,613.67/19,616.86
  6. Step 6: Final answer
    x = 14,716.92

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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.