Home / 19,103.42-28,635.68-17,689.16

Finding the Fourth Proportional to 19,103.42, 28,635.68 and 17,689.16

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Solution

The fourth proportional to 19,103.42, 28,635.68 and 17,689.16 is: 26,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.42 : 28,635.68 = 17,689.16 : x
  2. Step 2: Convert to fraction form
    19,103.42/28,635.68 = 17,689.16/x
  3. Step 3: Cross multiply
    19,103.42x = 28,635.68 × 17,689.16
  4. Step 4: Simplify right side
    19,103.42x = 506,541,026.27
  5. Step 5: Solve for x
    x = 506,541,026.27/19,103.42
  6. Step 6: Final answer
    x = 26,515.73

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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.