Home / 19,545.31-26,968.37-11,590.10

Finding the Fourth Proportional to 19,545.31, 26,968.37 and 11,590.10

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Solution

The fourth proportional to 19,545.31, 26,968.37 and 11,590.10 is: 15,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.31 : 26,968.37 = 11,590.10 : x
  2. Step 2: Convert to fraction form
    19,545.31/26,968.37 = 11,590.10/x
  3. Step 3: Cross multiply
    19,545.31x = 26,968.37 × 11,590.10
  4. Step 4: Simplify right side
    19,545.31x = 312,566,105.14
  5. Step 5: Solve for x
    x = 312,566,105.14/19,545.31
  6. Step 6: Final answer
    x = 15,991.87

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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.