Home / 19,159.22-28,728.66-16,943.42

Finding the Fourth Proportional to 19,159.22, 28,728.66 and 16,943.42

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Solution

The fourth proportional to 19,159.22, 28,728.66 and 16,943.42 is: 25,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.22 : 28,728.66 = 16,943.42 : x
  2. Step 2: Convert to fraction form
    19,159.22/28,728.66 = 16,943.42/x
  3. Step 3: Cross multiply
    19,159.22x = 28,728.66 × 16,943.42
  4. Step 4: Simplify right side
    19,159.22x = 486,761,752.42
  5. Step 5: Solve for x
    x = 486,761,752.42/19,159.22
  6. Step 6: Final answer
    x = 25,406.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.