Home / 19,089.10-28,633.65-17,793.10

Finding the Fourth Proportional to 19,089.10, 28,633.65 and 17,793.10

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Solution

The fourth proportional to 19,089.10, 28,633.65 and 17,793.10 is: 26,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.10 : 28,633.65 = 17,793.10 : x
  2. Step 2: Convert to fraction form
    19,089.10/28,633.65 = 17,793.10/x
  3. Step 3: Cross multiply
    19,089.10x = 28,633.65 × 17,793.10
  4. Step 4: Simplify right side
    19,089.10x = 509,481,397.82
  5. Step 5: Solve for x
    x = 509,481,397.82/19,089.10
  6. Step 6: Final answer
    x = 26,689.65

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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.