Home / 19,707.21-27,196.53-10,755.29

Finding the Fourth Proportional to 19,707.21, 27,196.53 and 10,755.29

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Solution

The fourth proportional to 19,707.21, 27,196.53 and 10,755.29 is: 14,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.21 : 27,196.53 = 10,755.29 : x
  2. Step 2: Convert to fraction form
    19,707.21/27,196.53 = 10,755.29/x
  3. Step 3: Cross multiply
    19,707.21x = 27,196.53 × 10,755.29
  4. Step 4: Simplify right side
    19,707.21x = 292,506,431.16
  5. Step 5: Solve for x
    x = 292,506,431.16/19,707.21
  6. Step 6: Final answer
    x = 14,842.61

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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.