Home / 19,666.73-27,140.67-10,714.61

Finding the Fourth Proportional to 19,666.73, 27,140.67 and 10,714.61

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Solution

The fourth proportional to 19,666.73, 27,140.67 and 10,714.61 is: 14,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666.73 : 27,140.67 = 10,714.61 : x
  2. Step 2: Convert to fraction form
    19,666.73/27,140.67 = 10,714.61/x
  3. Step 3: Cross multiply
    19,666.73x = 27,140.67 × 10,714.61
  4. Step 4: Simplify right side
    19,666.73x = 290,801,762.04
  5. Step 5: Solve for x
    x = 290,801,762.04/19,666.73
  6. Step 6: Final answer
    x = 14,786.48

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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.