Home / 19,801.17-27,325.17-11,186.55

Finding the Fourth Proportional to 19,801.17, 27,325.17 and 11,186.55

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Solution

The fourth proportional to 19,801.17, 27,325.17 and 11,186.55 is: 15,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.17 : 27,325.17 = 11,186.55 : x
  2. Step 2: Convert to fraction form
    19,801.17/27,325.17 = 11,186.55/x
  3. Step 3: Cross multiply
    19,801.17x = 27,325.17 × 11,186.55
  4. Step 4: Simplify right side
    19,801.17x = 305,674,380.46
  5. Step 5: Solve for x
    x = 305,674,380.46/19,801.17
  6. Step 6: Final answer
    x = 15,437.19

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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.