Home / 26,665.81-39,960.34-19,590.26

Finding the Fourth Proportional to 26,665.81, 39,960.34 and 19,590.26

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Solution

The fourth proportional to 26,665.81, 39,960.34 and 19,590.26 is: 29,357.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.81 : 39,960.34 = 19,590.26 : x
  2. Step 2: Convert to fraction form
    26,665.81/39,960.34 = 19,590.26/x
  3. Step 3: Cross multiply
    26,665.81x = 39,960.34 × 19,590.26
  4. Step 4: Simplify right side
    26,665.81x = 782,833,201.51
  5. Step 5: Solve for x
    x = 782,833,201.51/26,665.81
  6. Step 6: Final answer
    x = 29,357.19

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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.