Home / 19,539.42-26,942.60-14,151.20

Finding the Fourth Proportional to 19,539.42, 26,942.60 and 14,151.20

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Solution

The fourth proportional to 19,539.42, 26,942.60 and 14,151.20 is: 19,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.42 : 26,942.60 = 14,151.20 : x
  2. Step 2: Convert to fraction form
    19,539.42/26,942.60 = 14,151.20/x
  3. Step 3: Cross multiply
    19,539.42x = 26,942.60 × 14,151.20
  4. Step 4: Simplify right side
    19,539.42x = 381,270,050.36
  5. Step 5: Solve for x
    x = 381,270,050.36/19,539.42
  6. Step 6: Final answer
    x = 19,512.86

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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.