Home / 19,735.07-27,242.18-12,184.45

Finding the Fourth Proportional to 19,735.07, 27,242.18 and 12,184.45

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Solution

The fourth proportional to 19,735.07, 27,242.18 and 12,184.45 is: 16,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.07 : 27,242.18 = 12,184.45 : x
  2. Step 2: Convert to fraction form
    19,735.07/27,242.18 = 12,184.45/x
  3. Step 3: Cross multiply
    19,735.07x = 27,242.18 × 12,184.45
  4. Step 4: Simplify right side
    19,735.07x = 331,930,851.07
  5. Step 5: Solve for x
    x = 331,930,851.07/19,735.07
  6. Step 6: Final answer
    x = 16,819.34

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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.