Home / 26,379.03-36,407.37-15,774.93

Finding the Fourth Proportional to 26,379.03, 36,407.37 and 15,774.93

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Solution

The fourth proportional to 26,379.03, 36,407.37 and 15,774.93 is: 21,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,379.03 : 36,407.37 = 15,774.93 : x
  2. Step 2: Convert to fraction form
    26,379.03/36,407.37 = 15,774.93/x
  3. Step 3: Cross multiply
    26,379.03x = 36,407.37 × 15,774.93
  4. Step 4: Simplify right side
    26,379.03x = 574,323,713.23
  5. Step 5: Solve for x
    x = 574,323,713.23/26,379.03
  6. Step 6: Final answer
    x = 21,771.98

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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.