Home / 19,042.53-28,568.72-11,151.71

Finding the Fourth Proportional to 19,042.53, 28,568.72 and 11,151.71

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Solution

The fourth proportional to 19,042.53, 28,568.72 and 11,151.71 is: 16,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.53 : 28,568.72 = 11,151.71 : x
  2. Step 2: Convert to fraction form
    19,042.53/28,568.72 = 11,151.71/x
  3. Step 3: Cross multiply
    19,042.53x = 28,568.72 × 11,151.71
  4. Step 4: Simplify right side
    19,042.53x = 318,590,080.51
  5. Step 5: Solve for x
    x = 318,590,080.51/19,042.53
  6. Step 6: Final answer
    x = 16,730.45

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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.