Home / 19,655.03-27,126.21-11,697.18

Finding the Fourth Proportional to 19,655.03, 27,126.21 and 11,697.18

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Solution

The fourth proportional to 19,655.03, 27,126.21 and 11,697.18 is: 16,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.03 : 27,126.21 = 11,697.18 : x
  2. Step 2: Convert to fraction form
    19,655.03/27,126.21 = 11,697.18/x
  3. Step 3: Cross multiply
    19,655.03x = 27,126.21 × 11,697.18
  4. Step 4: Simplify right side
    19,655.03x = 317,300,161.09
  5. Step 5: Solve for x
    x = 317,300,161.09/19,655.03
  6. Step 6: Final answer
    x = 16,143.46

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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.