Home / 26,595.80-39,907.68-11,815.32

Finding the Fourth Proportional to 26,595.80, 39,907.68 and 11,815.32

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Solution

The fourth proportional to 26,595.80, 39,907.68 and 11,815.32 is: 17,729.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,595.80 : 39,907.68 = 11,815.32 : x
  2. Step 2: Convert to fraction form
    26,595.80/39,907.68 = 11,815.32/x
  3. Step 3: Cross multiply
    26,595.80x = 39,907.68 × 11,815.32
  4. Step 4: Simplify right side
    26,595.80x = 471,522,009.66
  5. Step 5: Solve for x
    x = 471,522,009.66/26,595.80
  6. Step 6: Final answer
    x = 17,729.19

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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.