Home / 19,042.32-28,568.41-11,151.51

Finding the Fourth Proportional to 19,042.32, 28,568.41 and 11,151.51

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Solution

The fourth proportional to 19,042.32, 28,568.41 and 11,151.51 is: 16,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.32 : 28,568.41 = 11,151.51 : x
  2. Step 2: Convert to fraction form
    19,042.32/28,568.41 = 11,151.51/x
  3. Step 3: Cross multiply
    19,042.32x = 28,568.41 × 11,151.51
  4. Step 4: Simplify right side
    19,042.32x = 318,580,909.80
  5. Step 5: Solve for x
    x = 318,580,909.80/19,042.32
  6. Step 6: Final answer
    x = 16,730.15

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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.