Home / 19,806.88-27,350.32-14,159.20

Finding the Fourth Proportional to 19,806.88, 27,350.32 and 14,159.20

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Solution

The fourth proportional to 19,806.88, 27,350.32 and 14,159.20 is: 19,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.88 : 27,350.32 = 14,159.20 : x
  2. Step 2: Convert to fraction form
    19,806.88/27,350.32 = 14,159.20/x
  3. Step 3: Cross multiply
    19,806.88x = 27,350.32 × 14,159.20
  4. Step 4: Simplify right side
    19,806.88x = 387,258,650.94
  5. Step 5: Solve for x
    x = 387,258,650.94/19,806.88
  6. Step 6: Final answer
    x = 19,551.72

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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.