Home / 19,695.34-27,180.23-11,197.81

Finding the Fourth Proportional to 19,695.34, 27,180.23 and 11,197.81

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Solution

The fourth proportional to 19,695.34, 27,180.23 and 11,197.81 is: 15,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.34 : 27,180.23 = 11,197.81 : x
  2. Step 2: Convert to fraction form
    19,695.34/27,180.23 = 11,197.81/x
  3. Step 3: Cross multiply
    19,695.34x = 27,180.23 × 11,197.81
  4. Step 4: Simplify right side
    19,695.34x = 304,359,051.30
  5. Step 5: Solve for x
    x = 304,359,051.30/19,695.34
  6. Step 6: Final answer
    x = 15,453.35

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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.